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发明名称
Elevator system
摘要
申请公布号
US2222193(A)
申请公布日期
1940.11.19
申请号
US19390300506
申请日期
1939.10.21
申请人
OTIS ELEVATOR COMPANY
发明人
CRABBE GEORGE NORM;PAULSON ARTHUR WILLARD
分类号
B66B1/46
主分类号
B66B1/46
代理机构
代理人
主权项
地址
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