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发明名称
Elevator system
摘要
申请公布号
US1837643(A)
申请公布日期
1931.12.22
申请号
US19310526007
申请日期
1931.03.28
申请人
OTIS ELEVATOR COMPANY
发明人
ANDERSON JOHN NORMAN
分类号
B66B9/00
主分类号
B66B9/00
代理机构
代理人
主权项
地址
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