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发明名称
Floor selector for elevators
摘要
申请公布号
US2279220(A)
申请公布日期
1942.04.07
申请号
US19390252924
申请日期
1939.01.26
申请人
WESTINGHOUSE ELECTRIC ELEVATOR COMPANY
发明人
BAUM DONALD H.
分类号
B66B1/52
主分类号
B66B1/52
代理机构
代理人
主权项
地址
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