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发明名称
摘要
申请公布号	BE684547(A)	申请公布日期	1967.01.13
申请号	BED684547	申请日期	1966.07.25
申请人		发明人
分类号	B21B43/02;B21B45/02	主分类号	B21B43/02
代理机构		代理人
主权项
地址

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