2. Huang Haihong, Jin Rui, Li Lei, et al. ENERGY-SAVING DOUBLE-MOTOR DOUBLESTATION SCREW PRESS [P]. US11214029B2. (美国发明专利)
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是否职务专利:否
2. Huang Haihong, Jin Rui, Li Lei, et al. ENERGY-SAVING DOUBLE-MOTOR DOUBLESTATION SCREW PRESS [P]. US11214029B2. (美国发明专利)
点击次数:
是否职务专利:否