,申请号SU19731928849-传众专利搜索

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发明名称
摘要
申请公布号	SU469690(A1)	申请公布日期	1975.05.05
申请号	SU19731928849	申请日期	1973.05.30
申请人		发明人
分类号	(IPC1-7):C07C149/00	主分类号	(IPC1-7):C07C149/00
代理机构		代理人
主权项
地址

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