Dispositif pour le serrage des boulons de soutènement des parois de mines, adaptable sur les fleurets des appareils de forage,申请号FR19650010376-传众专利搜索

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发明名称	Dispositif pour le serrage des boulons de soutènement des parois de mines, adaptable sur les fleurets des appareils de forage
摘要
申请公布号	FR1437563(A)	申请公布日期	1966.05.06
申请号	FR19650010376	申请日期	1965.03.23
申请人	BOULONNERIES LENOIR FRERES ET MERNIER FRERES REUNIES	发明人	OSTORERO MARCEL
分类号	E21D21/00	主分类号	E21D21/00
代理机构		代理人
主权项
地址

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