Improvements in or relating to the purification of pteridines,申请号GB19470013771-传众专利搜索

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发明名称	Improvements in or relating to the purification of pteridines
摘要
申请公布号	GB639854(A)	申请公布日期	1950.07.05
申请号	GB19470013771	申请日期	1947.05.22
申请人	AMERICAN CYANAMID COMPANY	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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