ISO 140-1:1997/Amd 1:2004

Acoustics — Measurement of sound insulation in buildings and of building elements — Part 1: Requirements for laboratory test facilities with suppressed flanking transmission — Amendment 1: Specific requirements on the frame of the test opening for lightweight twin leaf partitions
SDO:
ISO
Language:
English
ICS Codes:
91.120.20
Status:
Withdrawn
Publish date:
2004-11-30
Standard Number:
ISO 140-1:1997/Amd 1:2004