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发明名称
Elevator safety apparatus
摘要
申请公布号
US2001361(A)
申请公布日期
1935.05.14
申请号
US19340754011
申请日期
1934.11.21
申请人
OTIS ELEVATOR COMPANY
发明人
HYMANS FREDERICK
分类号
B66B5/04
主分类号
B66B5/04
代理机构
代理人
主权项
地址
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