Home / Standards / HG/T 2143 HG/T 2143 搪玻璃设备 管口 搪玻璃设备 管口 Standard Type HGT ICS 71.120.99 CCS G94 Status N/A Issue Date 2006-07-26 Implementation N/A Responsible Dept 发布日期：1991-08-19 Drafting Unit N/A