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
产品几何技术规范（GPS）——几何特征——第2部分:圆柱体和圆锥体的提取中线、提取中线、提取特征的局部尺寸
2002-01-01
GB/T 18780.2-2003
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
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
2003-03-06
UNE-EN ISO 14660-2-2000
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. (ISO 14660-2:1999)
产品几何技术规范（GPS）.几何特征.第2部分:圆柱体和圆锥体的提取中线 提取中线表面 提取特征的局部尺寸 （ISO 14660-2-1999）