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发明名称
Elevator control system
摘要
申请公布号
US1955325(A)
申请公布日期
1934.04.17
申请号
US19290414700
申请日期
1929.12.17
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
DAVIS WILLIAM R.
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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