China National Standards

China Plain washers bolts，screws GB Standards List

  •  China "Plain washers bolts，screws" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 5286-2001 Plain washers for bolts，screws and nuts--General plan
    螺栓、螺钉和螺母用平垫圈 总方案    		 China National Standards
    Plain washers bolts，screws
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