Home / Standards / GB/T 18173.4-2010 GB/T 18173.4-2010 Active Polymer water-proof materials - Part 4: Rubber gasket for shield-driven tunnel 高分子防水材料 第4部分:盾构法隧道管片用橡胶密封垫 Standard Type GBT ICS 83.140.99 CCS G47 Status 现行 Issue Date 2010-08-09 Implementation 2011-06-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A