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发明名称
Lubricating mechanism
摘要
申请公布号
US1863183(A)
申请公布日期
1932.06.14
申请号
US19300439328
申请日期
1930.03.27
申请人
OTIS ELEVATOR COMPANY
发明人
BRADY THOMAS
分类号
B66B7/12
主分类号
B66B7/12
代理机构
代理人
主权项
地址
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