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发明名称
ELEVATOR DISPATCHING SYSTEM
摘要
申请公布号
CA442882(A)
申请公布日期
1947.07.15
申请号
CAD442882
申请日期
申请人
CANADIAN WESTINGHOUSE COMPANY
发明人
MARK L. MOUNT;ARVID M. NELSON;HAROLD W. WILLIAMS
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主分类号
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