Home / Standards / GB/T 35250-2017 GB/T 35250-2017 Active Intermetallic compound film filter 金属间化合物膜过滤器 Standard Type GBT ICS 13.020 CCS J88 Status 现行 Issue Date 2017-12-29 Implementation 2018-07-01 Responsible Dept 国家发展改革委 Drafting Unit N/A