Improvements in and relating to roof girders and their supporting means,申请号GB19300036768-传众专利搜索

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发明名称	Improvements in and relating to roof girders and their supporting means
摘要
申请公布号	GB368381(A)	申请公布日期	1932.03.07
申请号	GB19300036768	申请日期	1930.12.05
申请人	RAINE AND COMPANY LIMITED;HORACE WILLIAM GOER FERGUSON	发明人
分类号	E21D17/00	主分类号	E21D17/00
代理机构		代理人
主权项
地址

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