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A kind of subway engineering car sliding tooth roller box transmission device
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MPV (Multi-Purpose Vehicle) axle gear box sealing structure
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A kind of pair of flange multidirectional precision forming device of I-shaped stainless steel body
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Reciprocating motion mechanism capable of driving multiple loads
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A kind of vacuum induction composite brazing method
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A kind of flux coated brazingrod and preparation method thereof
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A kind of green high-strength low temperature composite soldering and preparation method thereof
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A kind of method for welding of hard alloy
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Powder passivation equipment and passivation agent adding device thereof
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A kind of brazing flux bonding system, solder coating composition and flux coated brazingrod
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A kind of cored solder wire surface grinding sand gasifying device
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A kind of radioinduction composite brazing method
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Diamond composite block iron-based matrix powder and application
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High-tin-content silver welding rod and manufacturing method thereof
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The solder preparation method that a kind of Theil indices is higher
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A kind of composite soldering of moistening guide and preparation method thereof
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A kind of Surface hardened layer pricker is coated with material and preparation method thereof
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A kind of copper alloy contact reaction soldering method and activity bridging agent used
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A kind of medicated core solder with moistening leading role and preparation method thereof
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A kind of lightweight copper component resistance brazing device and method
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