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发明名称
ELEVATOR CONTROL SYSTEM
摘要
申请公布号
CA329809(A)
申请公布日期
1933.01.31
申请号
CAD329809
申请日期
申请人
THE CANADIAN WESTINGHOUSE COMPANY
发明人
HAROLD E. WHITE
分类号
主分类号
代理机构
代理人
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地址
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