Improvements in and relating to preparing pyrylium compounds,申请号GB19610029425-传众专利搜索

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发明名称	Improvements in and relating to preparing pyrylium compounds
摘要
申请公布号	GB913482(A)	申请公布日期	1962.12.19
申请号	GB19610029425	申请日期	1961.08.15
申请人	GUENTHER WAGNER VERWALTUNGSGESELLSCHAFT M.B.H.	发明人
分类号	C07D311/92	主分类号	C07D311/92
代理机构		代理人
主权项
地址

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