Home / Standards / GB/T 12930-1991 GB/T 12930-1991 Abolished Technical specification for high pressure reciprocating air diving apparatus 潜水装具用高压活塞式空气压缩机技术条件 Standard Type GBT ICS 47.020.20 CCS U47 Status 废止 Issue Date 1991-05-22 Implementation 1992-02-01 Responsible Dept 国家标准委 Drafting Unit N/A