Home / Standards / GB/T 16922-1997 GB/T 16922-1997 Active Thin taper keys and their corresponding keyways 薄型楔键及其键槽 Standard Type GBT ICS 21.120.30 CCS J18 Status 现行 Issue Date 1997-07-25 Implementation 1998-02-01 Responsible Dept 国家标准委 Drafting Unit N/A