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CN109680272A
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A kind of ternary boride hard alloy cladding material of liquid-phase sintering
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CN109666884A
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A kind of carbide chip surface plasma nitriding coating
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A kind of hard closes the TiA1N coating on surface
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A kind of hard alloy coating TiAlN coating
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CN109666914A
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A kind of hard alloy micro-nanocrystalline composite diamond coatings of boronising+two-step pretreatment
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CN107781247A
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A kind of conveying device electro-hydraulic proportional control system peculiar to vessel
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CN107796420A
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A kind of Fibre Optical Sensor signal transacting front-end circuit
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CN107781246A
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Hydraulic Elevator
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Underwater flange bolt connects equipment
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CN107787692A
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New Green maize stalk cutter
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CN107789129A
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A kind of hardware circuit of electric wheel-chair vehicle
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CN107795537A
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Novel direct-acting gradient rotary valve
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CN107795742A
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Novel small-sized bellows valve door sealing
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CN107783451A
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A kind of electrohydraulic servo-controlling system based on ATmega16L
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CN107784346A
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A kind of contactless IC card analog front end circuit
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CN107795539A
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Novel load sensitive balance valve
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CN107781415A
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New work engine piston latch structure
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CN107776388A
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Novel battery pack arrangement
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CN107780866A
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Novel horizontal production tree tubing hanger
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CN107783248A
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Reflecting mirror supporting construction
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