Improvements in the manufacture and production of pyrroles,申请号GB19380019565-传众专利搜索

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发明名称	Improvements in the manufacture and production of pyrroles
摘要
申请公布号	GB515865(A)	申请公布日期	1939.12.15
申请号	GB19380019565	申请日期	1938.07.01
申请人	GEORGE WILLIAM JOHNSON	发明人
分类号	C07D207/32;C07D207/323	主分类号	C07D207/32
代理机构		代理人
主权项
地址

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