龙门导轨磨床 第2部分:技术条件
Surface grinding machines with two columns for grinding slideways - Part 2:Specifications
2014-07-14
JB/T 9907.2-2014
双端面磨床 第2部分:技术条件
Double disc surface grinding machines - Part 2:Specifications
2014-05-12
DIN 2279
Geometrical product specifications (GPS) - Gauges for internal and external ISO metric screw threads - Overview of types, marking and application
产品几何技术规范(GPS).ISO公制螺纹量规.内螺纹和外螺纹的量规;调查、题字、标记、应用