,申请号DE19803025236-传众专利搜索

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发明名称
摘要
申请公布号	DE3025236(C2)	申请公布日期	1990.05.17
申请号	DE19803025236	申请日期	1980.07.03
申请人	CHARBONNAGES DE FRANCE, PARIS, FR	发明人	VERZICHT DES ERFINDERS AUF NENNUNG
分类号	E21D19/04;E21D23/00;E21D23/04;E21D23/08	主分类号	E21D19/04
代理机构		代理人
主权项
地址

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