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发明名称
Signal and control system for elevators
摘要
申请公布号
US2057492(A)
申请公布日期
1936.10.13
申请号
US19340751358
申请日期
1934.11.03
申请人
WESTINGHOUSE ELECTRIC COMPANY
发明人
KEIPER PHILLIP C.;BOUTON EDGAR M.
分类号
B66B1/18
主分类号
B66B1/18
代理机构
代理人
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