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发明名称
Locking mechanism
摘要
申请公布号
US1756345(A)
申请公布日期
1930.04.29
申请号
US19280309955
申请日期
1928.10.03
申请人
OTIS ELEVATOR COMPANY
发明人
DUNN EDWARD LEE
分类号
B66B13/06
主分类号
B66B13/06
代理机构
代理人
主权项
地址
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