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公开(公告)号：US3127548A
公开(公告)日：1964-03-31
申请号：US18221162
申请日：1962-03-26
Applicant: AUTOMATION DEVELOPMENT CORP
Inventor： EMDEN BERNARD VAN
IPC: H02P8/20
CPC classification number: H02P8/20
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公开(公告)号：US3121054A
公开(公告)日：1964-02-11
申请号：US15720461
申请日：1961-12-05
Applicant: AUTOMATION DEVELOPMENT CORP
Inventor： EMDEN BERNARD VAN
IPC: C25D21/12
CPC classification number: C25D21/12
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