Home / Standards / GB/T 1357-2008 GB/T 1357-2008 Active Cylindrical gears for general engineering and for heavy engineering - Modules 通用机械和重型机械用圆柱齿轮 模数 Standard Type GBT ICS 21.200 CCS J17 Status 现行 Issue Date 2008-12-04 Implementation 2009-06-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委