Improvements in or relating to substituted 4-hydroxy coumarins,申请号GB19540025175-传众专利搜索

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发明名称	Improvements in or relating to substituted 4-hydroxy coumarins
摘要
申请公布号	GB752528(A)	申请公布日期	1956.07.11
申请号	GB19540025175	申请日期	1954.08.30
申请人	NORDDEUTSCHE AFFINERIE;PAUL SPIESS;WERNER SPIESS	发明人	KNOEVENAGEL KURT
分类号	C07D311/46	主分类号	C07D311/46
代理机构		代理人
主权项
地址

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