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公开(公告)号:US3493844A
公开(公告)日:1970-02-03
申请号:US3493844D
申请日:1968-01-18
Applicant: GEN MOTORS CORP
Inventor: RUCH DAVID E , COLE GERALD D
CPC classification number: H02M3/04
公开(公告)号:US3493844A
公开(公告)日:1970-02-03
申请号:US3493844D
申请日:1968-01-18
Applicant: GEN MOTORS CORP
Inventor: RUCH DAVID E , COLE GERALD D
CPC classification number: H02M3/04