China National Standards

China 30° wedge lock Industry Standards English PDF List

  •  China "30° wedge lock" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JB/T 13920-2020 30° wedge lock thread tap {译}
    30°楔形防松螺纹丝锥    		 China Machinery Industry Standards
    30° wedge lock
    English PDF

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