Improvements in reinforced concrete construction for tunnels, mine roadways and the like and in the production thereof,申请号GB19420007061-传众专利搜索

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发明名称	Improvements in reinforced concrete construction for tunnels, mine roadways and the like and in the production thereof
摘要
申请公布号	GB556698(A)	申请公布日期	1943.10.18
申请号	GB19420007061	申请日期	1942.05.23
申请人	KALMAN HAJNAL-KONYI	发明人
分类号	E21D11/05	主分类号	E21D11/05
代理机构		代理人
主权项
地址

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