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发明名称
Friction device
摘要
申请公布号
US2380900(A)
申请公布日期
1945.07.31
申请号
US19420432439
申请日期
1942.02.26
申请人
THE S. K. WELLMAN COMPANY
发明人
WELLMAN SAMUEL K.
分类号
F16D13/64;F16D65/12
主分类号
F16D13/64
代理机构
代理人
主权项
地址
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