Home / Standards / GB/T 30861-2014 GB/T 30861-2014 Active Germanium substrate for solar cell 太阳能电池用锗衬底片 Standard Type GBT ICS 29.045 CCS H82 Status 现行 Issue Date 2014-07-24 Implementation 2015-04-01 Responsible Dept 国家标准委 Drafting Unit N/A