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经营范围
发明名称
Improvements in oil filters
摘要
申请公布号
GB532630(A)
申请公布日期
1941.01.28
申请号
GB19390025920
申请日期
1939.09.15
申请人
GENERAL MOTORS CORPORATION
发明人
分类号
B01D39/20
主分类号
B01D39/20
代理机构
代理人
主权项
地址
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