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经营范围
发明名称
Friction composition
摘要
申请公布号
US3008225(A)
申请公布日期
1961.11.14
申请号
US19590855980
申请日期
1959.11.30
申请人
THE S. K. WELLMAN COMPANY
发明人
HEALY THOMAS A.
分类号
F16D69/02
主分类号
F16D69/02
代理机构
代理人
主权项
地址
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