EN ISO 14660-2-1999 产品几何量技术规范(GPS).几何要素.第2部分:圆柱体和圆锥体的提取中心线,提取中心面,提取要素的局部尺 ISO 14660-2-1999
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