China National Standards

China Pipe threads 80 GB Standards List

  •  China "Pipe threads 80" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 29537-2013 Pipe threads with 80 degree thread angle where pressure-tight joints are not made on the threads
    80°非密封管螺纹    		 China National Standards
    Pipe threads 80
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