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发明名称
Improvements in a sintered friction material
摘要
申请公布号
GB628110(A)
申请公布日期
1949.08.23
申请号
GB19450033338
申请日期
1945.12.10
申请人
S. K. WELLMAN COMPANY
发明人
分类号
C22C32/00
主分类号
C22C32/00
代理机构
代理人
主权项
地址
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