Home / Standards / GB/T 24506-2009 GB/T 24506-2009 Active Type and specification and model number of powered support 液压支架型式、参数及型号编制 Standard Type GBT ICS 73.010 CCS D04 Status 现行 Issue Date 2009-10-30 Implementation 2010-04-01 Responsible Dept 中国煤炭工业协会 Drafting Unit 中国煤炭工业协会