Manufacture of new spirans,申请号GB19490004048-传众专利搜索

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发明名称	Manufacture of new spirans
摘要
申请公布号	GB666713(A)	申请公布日期	1952.02.20
申请号	GB19490004048	申请日期	1949.02.14
申请人	CIBA LIMITED	发明人
分类号	C07C49/665;C07C49/683;C07C49/697;C07C57/50;C07C57/74	主分类号	C07C49/665
代理机构		代理人
主权项
地址

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