Home / Standards / GB/T 197-2003 GB/T 197-2003 Abolished General purpose metric screw threads--Tolerances 普通螺纹 公差 Standard Type GBT ICS 21.040.10 CCS J04 Status 废止 Issue Date 2003-05-22 Implementation 2004-01-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委