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发明名称
摘要
申请公布号	DE2146677(A1)	申请公布日期	1972.03.30
申请号	DE19712146677	申请日期	1971.09.17
申请人		发明人
分类号	B22D41/24;F16K3/02;F16K49/00;(IPC1-7):B22D41/10	主分类号	B22D41/24
代理机构		代理人
主权项
地址

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