DIN ISO/TS 17450-1-2008 產品幾何量技術規范(GPS).一般概念.第1部分:幾何規范和檢定模型(ISO/TS 17450-1-2005)
Geometrical product specifications (GPS) - General concepts - Part 1: Model for geometrical specification and verification (ISO/TS 17450-1:2005); German version CEN ISO/TS 17450-1:2007