China National Standards

China 50:Basic GB Standards List

  •  China "50:Basic" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 17453-2005 Technical drawings-General principles of presentation-Part 50:Basic conventions for representing areas on cuts and sections
    技术制图 图样画法 剖面区域的表示法    		 China National Standards
    50:Basic
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