Home / Standards / GB/T 20230-2022 GB/T 20230-2022 Active Indium phosphide single crystal 磷化铟单晶 Standard Type GBT ICS 29.045 CCS H83 Status 现行 Issue Date 2022-03-09 Implementation 2022-10-01 Responsible Dept 国家标准委 Drafting Unit N/A