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发明名称
Control system for elevators
摘要
申请公布号
US1858283(A)
申请公布日期
1932.05.17
申请号
US19290366278
申请日期
1929.05.27
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
WILLIAMS HAROLD W.
分类号
B66B1/08
主分类号
B66B1/08
代理机构
代理人
主权项
地址
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