Carbon and gum remover,申请号US19360112297-传众专利搜索

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发明名称	Carbon and gum remover
摘要
申请公布号	US2128685(A)	申请公布日期	1938.08.30
申请号	US19360112297	申请日期	1936.11.23
申请人	SHELL DEVELOPMENT COMPANY	发明人	YATES WALLACE J.
分类号	C10L10/06	主分类号	C10L10/06
代理机构		代理人
主权项
地址

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