Engine cooling system cleaner,申请号US19290367767-传众专利搜索

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发明名称	Engine cooling system cleaner
摘要
申请公布号	US1804536(A)	申请公布日期	1931.05.12
申请号	US19290367767	申请日期	1929.06.01
申请人	LUDWIG JOHN J	发明人	LUDWIG JOHN J.
分类号	F01P11/06	主分类号	F01P11/06
代理机构		代理人
主权项
地址

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