Improvements in and relating to roofs of large span,申请号GB19510003229-传众专利搜索

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发明名称	Improvements in and relating to roofs of large span
摘要
申请公布号	GB702671(A)	申请公布日期	1954.01.20
申请号	GB19510003229	申请日期	1951.02.09
申请人	HENRI MACLAINE PONT	发明人
分类号	E04B7/08	主分类号	E04B7/08
代理机构		代理人
主权项
地址

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