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发明名称
Elevator car safety device
摘要
申请公布号
US1873829(A)
申请公布日期
1932.08.23
申请号
US19300473915
申请日期
1930.08.08
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
DUNLOP JAMES
分类号
B66B5/18
主分类号
B66B5/18
代理机构
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