Home / Standards / GB/T 15663.7-2008 GB/T 15663.7-2008 Active Terms relating to coal mining - Part 7: Mining subsidence & special coal mining 煤矿科技术语 第7部分：开采沉陷与特殊采煤 Standard Type GBT ICS 01.040.73 CCS D04 Status 现行 Issue Date 2008-09-18 Implementation 2009-04-01 Responsible Dept 中国煤炭工业协会 Drafting Unit N/A