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CN109396339A
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A kind of device of casting pattern
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CN109093561A
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A kind of modified form shaft bearing replacer and its application method
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CN109094276A
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Die-casting system
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Die-casting system and pressure casting method
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CN109084628A
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Have been based on the shooting hit positioning device of theory of mechanics
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Shooting hit localization method
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CN109238042A
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A kind of novel bullet processing unit (plant) and its application method
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CN109099780A
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A kind of laser transmitting system
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CN109283944A
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A kind of laser transmitting system and its application method
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CN108992942A
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A kind of electric toy gun and its application method
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CN108992943A
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A kind of electric toy gun
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