Garnissage en acier pour le soutènement de mines et de voies,申请号FR19650003634-传众专利搜索

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发明名称	Garnissage en acier pour le soutènement de mines et de voies
摘要
申请公布号	FR1422794(A)	申请公布日期	1965.12.24
申请号	FR19650003634	申请日期	1965.01.29
申请人	BECKER-PRUENTE G.M.B.H.	发明人
分类号	E21D11/15	主分类号	E21D11/15
代理机构		代理人
主权项
地址

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