Home / Standards / GB/T 5796.4-2005 GB/T 5796.4-2005 Abolished Trapezoidal screw threads-Part 4:Tolerances 梯形螺纹 第4部分：公差 Standard Type GBT ICS 21.040.10 CCS J04 Status 废止 Issue Date 2005-08-09 Implementation 2006-03-01 Responsible Dept 国家标准委 Drafting Unit N/A