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发明名称	UNIAO DE TUBOS
摘要
申请公布号	PT8938(T)	申请公布日期	1994.05.31
申请号	PT19930008938U	申请日期	1993.11.19
申请人	HEWING GMBH	发明人	JORG HANSEN
分类号	B21D39/04;F16L33/207;(IPC1-7):F16L/	主分类号	B21D39/04
代理机构		代理人
主权项
地址

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