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发明名称
Elevator control mechanism
摘要
申请公布号
US2271998(A)
申请公布日期
1942.02.03
申请号
US19400356439
申请日期
1940.09.12
申请人
OTIS ELEVATOR COMPANY
发明人
DUNN EDWARD LEE
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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