Improvements relating to lagging links for supporting roofs of galleries in underground mines and the like,申请号GB19540034848-传众专利搜索

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发明名称	Improvements relating to lagging links for supporting roofs of galleries in underground mines and the like
摘要
申请公布号	GB765135(A)	申请公布日期	1957.01.02
申请号	GB19540034848	申请日期	1954.12.01
申请人	LOBBERT & CO. G.M.B.H.	发明人	LECHTENBOHMER HANS
分类号	E21D11/15	主分类号	E21D11/15
代理机构		代理人
主权项
地址

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