Home / Standards / GB/T 22560-2008 GB/T 22560-2008 Active Gas nitrocarburizing of iron and steel parts 钢铁件的气体氮碳共渗 Standard Type GBT ICS 25.200 CCS J36 Status 现行 Issue Date 2008-12-06 Implementation 2009-06-01 Responsible Dept 国家标准委 Drafting Unit N/A