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1.发明授权Drive control including plural a.c. motors coupled to same shaft with d.c. braking 失效驱动控制包括多个a.c. 电机与直流相连接。 制动
公开(公告)号：US3319142A
公开(公告)日：1967-05-09
申请号：US46901465
申请日：1965-05-07
Applicant: SMITH CORP A O
Inventor： YORKE GREPE FREDERICK
IPC: B66C13/26
CPC classification number: B66C13/26 , B66C2700/081
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公开(公告)号：US3345550A
公开(公告)日：1967-10-03
申请号：US43012365
申请日：1965-02-03
Applicant: SMITH CORP A O
Inventor： YORKE GREPE FREDERICK
IPC: B66C13/26
CPC classification number: B66C13/26 , B66C2700/081
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