Pine-gum rosin ddt insecticide compositions,申请号US19490102441-传众专利搜索

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发明名称	Pine-gum rosin ddt insecticide compositions
摘要
申请公布号	US2572864(A)	申请公布日期	1951.10.30
申请号	US19490102441	申请日期	1949.06.30
申请人	SUMERFORD W T;JENSEN JENS A	发明人	SUMERFORD W. T.;JENSEN JENS A.
分类号		主分类号
代理机构		代理人
主权项
地址

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