Home / Standards / GB/T 34356-2017 GB/T 34356-2017 Active Flange forgings for low temperature service 低温环境用法兰锻件 Standard Type GBT ICS 77.140.85 CCS J32 Status 现行 Issue Date 2017-10-14 Implementation 2018-05-01 Responsible Dept 国家标准委 Drafting Unit N/A