Home / Standards / GB/T 16672-1996 GB/T 16672-1996 Active Welds--Working positions--Definitionsof angles of slope and rotation 焊缝 工作位置 倾角和转角的定义 Standard Type GBT ICS 25.160.01 CCS J33 Status 现行 Issue Date 1996-12-18 Implementation 1997-07-01 Responsible Dept 国家标准委 Drafting Unit N/A