Process of preparing a purified pyrethrin concentrate,申请号US19350040288-传众专利搜索

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发明名称	Process of preparing a purified pyrethrin concentrate
摘要
申请公布号	US2050974(A)	申请公布日期	1936.08.11
申请号	US19350040288	申请日期	1935.09.12
申请人	LA FORGE FREDERICK B;HALLER HERBERT L J	发明人	FORGE FREDERICK B. LA;HALLER HERBERT L. J.
分类号		主分类号
代理机构		代理人
主权项
地址

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