China National Standards

China Screws，cross recessed，120° raised GB Standards List

  •  China "Screws，cross recessed，120° raised" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 974-1976 Screws，cross recessed，120° raised countersunkhead
    十字槽120°半沉头螺钉    		 China National Standards
    Screws，cross recessed，120° raised
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