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ZHANG LEI
ZHANG WEI
Traffic engineering
Mechanical engineering, energy technology
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Piston head sealing ring assembly supported by copper alloy and hydraulic actuator
Free accessEuropean Patent Office | 2024| -
Piston type compressor test run connecting device and using method thereof
Free accessEuropean Patent Office | 2024| -
Power shifting gearbox clutch based on quick release valve
Free accessEuropean Patent Office | 2024| -
Copper strip surface cleaning agent and preparation method thereof
Free accessEuropean Patent Office | 2024| -
Adaptive leveling method for three-axis air-floating turntable with variable topological structure
Free accessEuropean Patent Office | 2024| -
Range extending system and range extending method for electric wing-in-ground-effect ship
Free accessEuropean Patent Office | 2024| -
Fault monitoring system and method for axle counting system
Free accessEuropean Patent Office | 2024| -
Management method and device of energy recovery system, equipment and medium
Free accessEuropean Patent Office | 2024| -
Production raw material mixing device for plastic gasket
Free accessEuropean Patent Office | 2024| -
Processing object 3D machine vision modeling and robot high-precision calibration system
Free accessEuropean Patent Office | 2024| -
Device and method for drawing machining line of saddle opening of main pipe
Free accessEuropean Patent Office | 2024| -
Method and equipment for cutting off fillet weld of dissimilar steel welded pipe seat in thermal power plant
Free accessEuropean Patent Office | 2024| -
Device for assembling starting box of liquid oxygen kerosene rocket engine
Free accessEuropean Patent Office | 2024| -
Connecting method of automobile shock absorber mechanism
Free accessEuropean Patent Office | 2024|
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