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发明名称
Elevator system
摘要
申请公布号
US2145809(A)
申请公布日期
1939.01.31
申请号
US19370147949
申请日期
1937.06.12
申请人
GENERAL ELECTRIC COMPANY
发明人
TAYLOR ROBERT B.
分类号
B66B1/50
主分类号
B66B1/50
代理机构
代理人
主权项
地址
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