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发明名称
摘要
申请公布号	FR2118403(A5)	申请公布日期	1972.07.28
申请号	FR19700046571	申请日期	1970.12.17
申请人	RIEUBLANDOU MARCEL;BRULFERT ANDRE	发明人
分类号	B21C1/00;B21F19/00;F02B71/00;F02B75/34;(IPC1-7):F02B25/00	主分类号	B21C1/00
代理机构		代理人
主权项
地址

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