32 |
|
HG /T 20613 (GB6170) - 2009
I型六角螺母
Hexagon Nuts,Style 1
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供应商(5)家
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38 |
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JB /T 2770 - 1992
接头螺母
Female connector fittings
|
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39 |
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HG /T 20634 (GB6170) - 2009
钢制管法兰、垫片、紧固件选用配合规定六角螺母【商品级】
Hex Nuts, Specification For Selection Of Steel Pipe Flanges,Gaskets and Bolting (PN designated)
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