Improvements in Roof Elements,申请号GB19670055244-传众专利搜索

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发明名称	Improvements in Roof Elements
摘要
申请公布号	GB1173807(A)	申请公布日期	1969.12.10
申请号	GB19670055244	申请日期	1967.12.05
申请人	ALLMANNA STALELEMENT AB	发明人
分类号	E04D3/35;E04B7/00;E04B7/22;E04D3/361	主分类号	E04D3/35
代理机构		代理人
主权项
地址

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