Dispositif pour faire avancer le soutènement dans les exploitations souterraines par tailles,申请号FRD1176275-传众专利搜索

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发明名称	Dispositif pour faire avancer le soutènement dans les exploitations souterraines par tailles
摘要
申请公布号	FR1176275(A)	申请公布日期	1959.04.08
申请号	FRD1176275	申请日期	1957.05.28
申请人	HERMANN SCHWARZ KOMMANDITGESELLSCHAFT	发明人
分类号	E21D15/60	主分类号	E21D15/60
代理机构		代理人
主权项
地址

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