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CN105537328A
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Method for eliminating shaping stress of metal sheet
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CN105478619A
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Method for eliminating extra noises in high-strength sheet metal part drawing forming process
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CN105507707A
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Back door hinge reinforcer
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CN105365895A
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Structure arranged on back door hinge reinforcing part and used for being connected with back door drain tank in overlapping mode
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CN105539600A
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Routing structure for back door hinge stiffener assembly
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CN105328041A
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Guide structure for blank holder die and upper die of stamping die for doorsill inner plate connecting part
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CN105328070A
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Automatic discharging structure of stamping die for doorsill inner plate connecting part
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CN105537453A
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Punching method of door sill inner plate connecting piece
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CN105436323A
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Locating structure of middle insert of inner sill plate connecting piece stamping die
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CN105328069A
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Lower insert of stamping die for doorsill inner plate connecting part and supporting structure of lower insert
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CN105537417A
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Limiting lifting structure of blank holder mold of door sill inner plate connecting piece punching mold
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CN105496565A
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Infrared scalpel handle system
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CN105380702A
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Scalpel handle
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CN105496564A
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Warning method capable of preventing instrument forgetting
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CN105380701A
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Scalpel handle system based on nitrogen content
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CN105537358A
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Vehicle tail skirt outer plate forming process
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CN105361930A
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Accident prevention knife handle system based on oxygen content
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CN105436301A
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Vehicle side wall lower sill plate edge beam end molding method
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