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发明名称
MOTOR CONTROL SYSTEM
摘要
申请公布号
CA310694(A)
申请公布日期
1931.04.21
申请号
CAD310694
申请日期
申请人
THE OTIS-FENSOM ELEVATOR COMPANY LIMITED;THE OTIS ELEVATOR CO.
发明人
JACOB DANIEL LEWIS;BENJAMIN NEEDHAM JONES;ARTHUR HERBERT SCHLAF
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