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发明名称
Switching mechanism
摘要
申请公布号
US1767892(A)
申请公布日期
1930.06.24
申请号
US19250062769
申请日期
1925.10.16
申请人
OTIS ELEVATOR COMPANY
发明人
LINDQUIST DAVID L.;DUNN EDWARD L.;LARSON DAVID C.
分类号
B66B1/08
主分类号
B66B1/08
代理机构
代理人
主权项
地址
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