Improvements in and relating to panels for walls and roofs,申请号GB19590041707-传众专利搜索

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发明名称	Improvements in and relating to panels for walls and roofs
摘要
申请公布号	GB901660(A)	申请公布日期	1962.07.25
申请号	GB19590041707	申请日期	1959.12.08
申请人	ERIC SIGFRID PERSSON	发明人
分类号	E04B7/20;E04C2/26;E04D3/366	主分类号	E04B7/20
代理机构		代理人
主权项
地址

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