Process of producing butyrolactones,申请号US19490088696-传众专利搜索

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发明名称	Process of producing butyrolactones
摘要
申请公布号	US2659733(A)	申请公布日期	1953.11.17
申请号	US19490088696	申请日期	1949.04.20
申请人	MERCK & CO., INC.	发明人	FOLKERS KARL
分类号	C07D307/33	主分类号	C07D307/33
代理机构		代理人
主权项
地址

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