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发明名称
OIL FILTERS
摘要
申请公布号
CA469534(A)
申请公布日期
1950.11.21
申请号
CAD469534
申请日期
申请人
GENERAL MOTORS CORPORATION
发明人
HERBERT G. KAMRATH
分类号
主分类号
代理机构
代理人
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