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发明名称
Elevator suspension device
摘要
申请公布号
US2148123(A)
申请公布日期
1939.02.21
申请号
US19380233382
申请日期
1938.10.05
申请人
OTIS ELEVATOR COMPANY
发明人
HYMANS FREDERICK
分类号
B66B7/10
主分类号
B66B7/10
代理机构
代理人
主权项
地址
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