标准编号:DIN 8521-2-1993
标准名称:超压0.1巴的、不防回火的公共煤气、空气和氧气供气设备的防回流装置.安...
英文名称:Safety devices against backflow for the application of gases of public gas supply, of air and oxygen up to an overpressure of 0,1 bar, not protected against flashbacks; safety requirements; testing
发布部门:
发布日期:1993-08-01
实施日期:1993-08-01
标准状态:现行
文件格式:PDF