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发明名称
FRICTION MATERIAL
摘要
申请公布号
CA612880(A)
申请公布日期
1961.01.17
申请号
CAD612880
申请日期
申请人
GENERAL MOTORS CORPORATION
发明人
ROLAND P. KOEHRING;WILLIAM A. LUTHER, JR.
分类号
主分类号
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代理人
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