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发明名称
摘要
申请公布号	SU419389(A1)	申请公布日期	1974.03.15
申请号	SU19711710240	申请日期	1971.10.29
申请人		发明人
分类号	B28B5/02;(IPC1-7):B28B5/02	主分类号	B28B5/02
代理机构		代理人
主权项
地址

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