Improvements in oil filters,申请号GB19370014188-传众专利搜索

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发明名称	Improvements in oil filters
摘要
申请公布号	GB481238(A)	申请公布日期	1938.03.08
申请号	GB19370014188	申请日期	1937.05.21
申请人	GENERAL MOTORS CORPORATION	发明人
分类号	B01D29/11;B01D39/20;B24B5/08	主分类号	B01D29/11
代理机构		代理人
主权项
地址

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