Improvement in preparation of piperazine,申请号GB19370017560-传众专利搜索

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发明名称	Improvement in preparation of piperazine
摘要
申请公布号	GB497679(A)	申请公布日期	1938.12.23
申请号	GB19370017560	申请日期	1937.06.24
申请人	CARBIDE AND CARBON CHEMICALS CORPORATION	发明人
分类号	C07D295/023	主分类号	C07D295/023
代理机构		代理人
主权项
地址

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