Charpente de soutènement de galeries de mines, en fers profilés, dont les extrémités adjacentes sont munies d'appendices formant une articulation à cuvette,申请号FRD53562-传众专利搜索

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发明名称	Charpente de soutènement de galeries de mines, en fers profilés, dont les extrémités adjacentes sont munies d'appendices formant une articulation à cuvette
摘要
申请公布号	FR53562(E)	申请公布日期	1946.04.26
申请号	FRD53562	申请日期	1944.01.31
申请人	GEWERKSCHAFT REUSS	发明人
分类号	E21D11/24	主分类号	E21D11/24
代理机构		代理人
主权项
地址

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