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发明名称
摘要
申请公布号	DE2122964(A1)	申请公布日期	1972.08.03
申请号	DE19712122964	申请日期	1971.05.10
申请人		发明人
分类号	C21D1/767;(IPC1-7):F27D7/06	主分类号	C21D1/767
代理机构		代理人
主权项
地址

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