Improvements in or relating to hydraulic pillar supports for mines,申请号GB19610001107-传众专利搜索

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发明名称	Improvements in or relating to hydraulic pillar supports for mines
摘要
申请公布号	GB876484(A)	申请公布日期	1961.09.06
申请号	GB19610001107	申请日期	1958.01.30
申请人	WILLY EGGEMANN;EBERHARD VON CAMPENHAUSEN	发明人	HEUSNER WILHELM
分类号	E21D15/54	主分类号	E21D15/54
代理机构		代理人
主权项
地址

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