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HJ tech Technology Status
No. 10-1626052
Automatic infinite shifting for bikes
power train
No. 10-1731699
stepless speed power transmission
No. 10-1746965
power train
No. 10-2066513
tracked vehicle system
No. 10-1691285
Clutch device and power transmission device using same
No. 10-1746964
power train
No. 10-2030029
A battery lifting unit for a tracked vehicle and having the same battery charging station system and
by How to replace the battery
No. 10-2066516
For all-in-one tracked vehicles
connector
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