Perfectionnements aux assemblages coulissants pour cadres de mine,申请号BE19600598675-传众专利搜索

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发明名称	Perfectionnements aux assemblages coulissants pour cadres de mine
摘要
申请公布号	BE598675(A1)	申请公布日期	1961.04.14
申请号	BE19600598675	申请日期	1960.12.30
申请人	ETUDES ET RECHERCHES INDUSTRIELLES ET SCIENTIFIQUES E.R.I.S.(SOCIETE ANONYME)	发明人
分类号	E21D11/22;(IPC1-7):E21D	主分类号	E21D11/22
代理机构		代理人
主权项
地址

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