Rigole destinée à être posée dans les galeries de fond pour le déversement des eaux de mines,申请号FRD1160545-传众专利搜索

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发明名称	Rigole destinée à être posée dans les galeries de fond pour le déversement des eaux de mines
摘要
申请公布号	FR1160545(A)	申请公布日期	1958.07.17
申请号	FRD1160545	申请日期	1956.11.20
申请人		发明人	HOLTER HEINZ;KLASENER ARTHUR
分类号	E21F16/00	主分类号	E21F16/00
代理机构		代理人
主权项
地址

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