China National Standards

China exchage GB Standards List

  •  China "exchage" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 16656.509-2010 Industial automation systems and integration - Product data representation and exchage - Part 509: Application interpreted construct: Manifold surface
    工业自动化系统与集成 产品数据表达与交换 第509部分：应用解释构造：流形曲面    		 China National Standards
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