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发明名称
CONSTRUCTION ELEVATOR SYSTEM
摘要
申请公布号
US3519101(A)
申请公布日期
1970.07.07
申请号
USD3519101
申请日期
1968.01.10
申请人
OTIS ELEVATOR CO.
发明人
JOSEPH EDWARD SIEFFERT
分类号
B66B9/187;(IPC1-7):B66B9/00
主分类号
B66B9/187
代理机构
代理人
主权项
地址
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