Home / Standards / GB/T 34385-2017 GB/T 34385-2017 Active General technical specifications for cold roll forming machinery 辊式冷弯成形机械通用技术条件 Standard Type GBT ICS 25.120.10 CCS J62 Status 现行 Issue Date 2017-09-29 Implementation 2018-04-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A