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发明名称
Frictional material and method of making same
摘要
申请公布号
US2284785(A)
申请公布日期
1942.06.02
申请号
US19390267153
申请日期
1939.04.10
申请人
THE CLEVELAND GRAPHITE BRONZE COMPANY
发明人
WILKEY ?N E.
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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