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发明名称
Friction device
摘要
申请公布号
US1810872(A)
申请公布日期
1931.06.16
申请号
US19250068795
申请日期
1925.11.13
申请人
LORD HUGH C
发明人
LORD HUGH C.
分类号
F16F7/04
主分类号
F16F7/04
代理机构
代理人
主权项
地址
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