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发明名称
摘要
申请公布号	DE2141998(A1)	申请公布日期	1972.03.09
申请号	DE19712141998	申请日期	1971.08.21
申请人		发明人
分类号	C07C17/42;(IPC1-7):C07C17/42	主分类号	C07C17/42
代理机构		代理人
主权项
地址

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