GB/T 18780.2-2003
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 18780.2-2003
Geometrical Product Specifications(GPS)--Geometrical features--Part 2: Extracted median line of a cylinder and a cone,extracted median surface,local size of an extracted feature 产品几何量技术规范(GPS) 几何要素 第2部分: 圆柱面和圆锥面的提取中心线、平行平面的提取中心面、提取要素的局部尺寸
Issued Date:2003-03-06
Implemented Date:2003-11-01
Issued by:
The Standardization Administration of the People's Republic of China