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CN105329245A
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Combined type grid bottom door device and wagon hopper car
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CN105383510A
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Opening-closing top cover for railway wagon and railway wagon
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CN105345396A
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Device for rolling mark on cylindrical surface and method for rolling mark through device
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CN105414814A
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Assembly welding method for assembly clearance over tolerance of headwall and side wall of carriage
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CN105345471A
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Device and method for manufacturing multi-section circular arc side wall of carriage
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CN105416333A
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Coupling device for rail-road vehicle
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CN105329055A
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Bearing and connecting device for highway-railway combined transport vehicle
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CN105270420A
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Side wall opening and closing mechanism for railroad box car
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CN105346546A
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Fast loading and unloading type box car body
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CN105292153A
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Railway box car movable side wall and opening and closing mechanism
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CN105365834A
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Railway wagon movable side wall vertical positioning mechanism
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CN105329247A
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Bottom door anti-theft device of railway grain hopper wagon
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CN105382533A
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Assembling method for wagon broadsword type bottom door opening and closing mechanism
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CN105277156A
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Device and method for detecting abrasion loss of nut of car lifting jack
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CN105466704A
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Brake cylinder piston stroke and brake shoe stack adjuster screw rod length adjustment device and adjustment method
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CN105253155A
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Side wall assembly of open wagon special for railway ore
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CN105329246A
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Bottom door opening and closing mechanism with adjustable door opening space
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CN105274442A
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High-strength high-tenacity alloy cast steel material used for draw gears of railway vehicles
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CN105258609A
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Dedicated caliper used for rapidly detecting object gap and usage method thereof
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CN105234574A
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Assembly welding method for controlling assembly clearance between end wall and floor of rail wagon
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