<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 140-1:1997/Amd 1:2004]]> /cms/render/live/en/sites/isoorg/contents/data/standard/03/42/34245.html Ïã¸ÛÁùºÏ²Ê¿ª½± standards and projects Ïã¸ÛÁùºÏ²Ê¿ª½±.org 60 /modules/isoorg-template/img/iso/favicon/red/favicon1.ico http://www.iso.org/ <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 140-1:1997/Amd 1:2004]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 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]]> /cms/render/live/en/sites/isoorg/contents/data/standard/03/42/34245.html /cms/render/live/en/sites/isoorg/contents/data/standard/03/42/34245.html 2010-08-17