Home / Standards / GB/T 17229-1998 GB/T 17229-1998 Active The expertise for oceanic polymetallic nodules survey 大洋多金属结核矿产勘查规程 Standard Type GBT ICS 73.060.99 CCS D12 Status 现行 Issue Date 1998-02-13 Implementation 1998-09-01 Responsible Dept 自然资源部(国土) Drafting Unit 自然资源部(国土)