Home / Standards / GB/T 15756-2008 GB/T 15756-2008 Active General purpose metric screw threads - Limits of sizes 普通螺纹 极限尺寸 Standard Type GBT ICS 21.040.10 CCS J04 Status 现行 Issue Date 2008-07-30 Implementation 2009-02-01 Responsible Dept 国家标准委 Drafting Unit N/A