Self-contained closed-circuit breathing apparatus, compressed oxygen or compressed oxygen/nitrogen type - Requirements, testing, marking (includes Amendment A1:2000); English version of DIN EN 145:1997 + A1:2000
呼吸防护装置.自给式闭路呼吸器.压缩氧或压缩氧氮型.要求 试验和标记(包括修改件A1:2000);德文版EN 145:1997+A1:2000