This document describes a simple classification system for coals providing
— guidance on the selection of the appropriate ISO standard procedures for the analyses and testing of coals,
— international comparison of coals in terms of some key characteristics,
— descriptive categorization of coals.
The system is applicable to coals of all ranks, but care is required in…
Standard for Fibre Reinforced Underground Tanks for Flammable and Combustible Liquids
1 Scope
1.1 This Standard sets forth minimum design and construction requirements for fibre reinforced plastic,
non-pressure tanks that are used for the underground storage of flammable and combustible liquids, such
as:
a) Petroleum products, including petroleum hydrocarbon fuels with low-biofuels blends, per
specifications, and similar flammable or combustible liquid petroleum…
Piezoelectric, dielectric and electrostatic devices and associated materials for frequency control, ...
IEC TS 61994-4-4:2018 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 61994-4-4:2018 gives the terms and definition for single crystal wafers for surface acoustic wave (SAW)…
Optical fibres - Part 1-32: Measurement methods and test procedures - Coating strippability
IEC 60793-1-32:2018 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 60793-1-32:2018 is intended primarily for testing either fibres as produced by a fibre manufacturer or…
IEC 60964:2018 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 60964:2018 establishes requirements for the human-machine interface in the main control rooms of nuclear power…
Lead-acid starter batteries - Part 1: General requirements and methods of test
IEC 60095-1:2018 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 60095-1:2018 is applicable to lead-acid batteries with a nominal voltage of 12 V, used primarily as a power…
Fibre optic interconnecting devices and passive components - Fibre optic passive power control devic...
IEC 60869-1:2018 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 60869-1:2018 applies to fibre optic passive power control devices. These have all of the following general…
Piezoelectric, dielectric and electrostatic devices and associated materials for frequency control, ...
IEC TS 61994-4-1:2018 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 61994-4-1:2018 gives the terms and definition for synthetic quartz crystals representing the state of the…
Piezoelectric, dielectric and electrostatic devices and associated materials for frequency control, ...
IEC TS 61994-4-4:2018 is available as IEC TS 61994-4-4:2018 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61994-4-4:2018 gives the terms and definition for single crystal wafers for surface acoustic wave (SAW) devices representing the state of the art. This edition includes the following…
Piezoelectric, dielectric and electrostatic devices and associated materials for frequency control, ...
IEC TS 61994-4-1:2018 is available as IEC TS 61994-4-1:2018 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61994-4-1:2018 gives the terms and definition for synthetic quartz crystals representing the state of the art, which are intended for manufacturing piezoelectric and optical elements…
