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This International Standard specifies the procedures, formats and facilities at the Packet Layer for Data Terminal Equipment (DTE) operating in conformance with ITU-T Recommendation X.25. Both Virtual Call and Permanent Virtual Circuit modes of operation are covered. The Packet Layer protocol specified herein can be used in both Open Systems Interconnection (OSI) and non-OSI environments. When…

This International Standard specifies performance and safety tests, designations, markings, dimensions and other requirements for secondary lithium single cells. The objective of this standard is to provide the purchasers of secondary lithium cells with a set of criteria with which they can judge the performance and safety of various secondary lithium cells offered by various manufacturers.

This International Standard specifies performance and safety tests, designations, markings, dimensions and other requirements for secondary lithium single cells. The objective of this standard is to provide the purchasers of secondary lithium cells with a set of criteria with which they can judge the performance and safety of various secondary lithium cells offered by various manufacturers.

This International Standard provides specifications for _ dimensions of 120-size and 220-size films and of the spools common to both, _ dimensions of the backing paper for 120-size film and the leader and trailer paper for 220-size film, as well as the placement of the paster tape used for attaching these papers to the films, _ minimum length of film required in front of the leading edge of the…

This International Standard specifies a method for determining the compression set of flexible cellular materials under humid conditions. This method consists of maintaining the test piece under specified conditions of time, temperature, humidity and constant compressive strain and determining the effect on the thickness of the test piece after a specified recovery period.

This International Standard applies to sheets of photographic sensitized materials for use in the pre-press industry. It specifies dimensions and package marking of sensitized materials including those for electronic scanners.

This International Standard establishes general principles for the design and application of safety signs and hazard pictorials permanently affixed to all types of industrial truck including those defined in ISO 5053. This International Standard outlines safety sign objectives, describes the basic safety sign formats and colours, and provides guidance on developing the various panels that…

This International Standard specifies a micrographic method of determining the duplex grain size of rolled or forged steel products using standard diagrams or by the point count procedure.

1.1 This International Standard specifies basic technical characteristics for the international exchange of analogue photographic sound test films intended for checking, adjusting and measuring motion-picture projector sound systems and sound reproducing channels of motion-picture installations for monophonic or stereophonic reproduction. 1.2 This International Standard specifies types and…

This International Standard specifies a method of determining the hardness or compressibility of a material by measuring the compression and/or deformation force on flexible cellular polymeric profiles not less than 3 mm thick.