标准号:IS 8522-1977
发布日期:1977/10/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard prescribes the requirements and methods of test for chemical cartridge respirators with full face mask or half mask face pieceor mouth piece for use in atmospheres not immediately dangerous to life or health and containing gases or vapours with or without particulate con-taminants.