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Patent Certificate


A kind of titanium alloy casting with coating sand mold preparation method
A cold iron production process
A disconnecting electric car coupe assembly with neutral gear locking
A hydraulic measuring device for deep sea exploration
A kind of machining jigs for cylinder connectors of tyre raking machine
A kind of big needle of baler and its preparation method
A gear shaft device for new energy vehicles
A strength testing device for motor shaft castings
A kind of heater impeller and its preparation method
A kind of support casting for dental treatment chair and its production process
A disconnecting electric axle assembly for neutral locking German invention certificate
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