Improvements in or relating to roof-lights,申请号GB19570016203-传众专利搜索

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发明名称	Improvements in or relating to roof-lights
摘要
申请公布号	GB810255(A)	申请公布日期	1959.03.11
申请号	GB19570016203	申请日期	1957.05.22
申请人	ERNST RICKARD	发明人	WEGEFELT PER
分类号	E04D13/035	主分类号	E04D13/035
代理机构		代理人
主权项
地址

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