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

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

91.120.20

Statut:

Annulée

Date de Publication:

2004-11-30

Numéro Standard:

ISO 140-1:1997/Amd 1:2004