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4ISO 10303-42 Industrial Automation and Integration-Product Data Representation and Exchange--Part 42:integrated generic resource: Geometric and topological representation[S].
5ISO 10303-23 Industrial Automation and Integration-Product Data Representation and Exchange--Part 23:C++ Programming Language Binding to the Standard Data Access Interface Specification[S].
6刘润东.UML对象设计与编程[M].北京希望电子出版社,2001..
7ISO 10303 -203 Industrial Automation and Integration-Product Data Representation and Exchange--Part 203:Integrated application resource: Configuration Controlled 3 D Designs of Mechanical Parts and Assemblies [S].
8Max Ungerer, Ken Buchanan. Usage Guide for the STEP PDM Schema V1. 2. Release 4. 3January, 2002.
9Michael P.Gallaher,Ph.D.,Alan C.O'Connor,B.A.,Economic Impact Assessment of the International Standard for the Exchange of Product Model Data (STEP) in Transportation Equipment Industries,Final Report,Na tional Institute of Standards and Technology.
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