Improvements in or relating to lagging members for shoring operations,申请号GB19510002664-传众专利搜索

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发明名称	Improvements in or relating to lagging members for shoring operations
摘要
申请公布号	GB686640(A)	申请公布日期	1953.01.28
申请号	GB19510002664	申请日期	1951.02.02
申请人	MAX MULLER;KARL BORGGRAFE	发明人
分类号	E21D17/022;E21D17/086	主分类号	E21D17/022
代理机构		代理人
主权项
地址

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