Improvements in light metal frame and support members, such as beams and the like, for building structures,申请号GB19400000912-传众专利搜索

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发明名称	Improvements in light metal frame and support members, such as beams and the like, for building structures
摘要
申请公布号	GB524978(A)	申请公布日期	1940.08.19
申请号	GB19400000912	申请日期	1939.02.13
申请人	BERNARD JAMES GIBBS	发明人
分类号	E04C3/32	主分类号	E04C3/32
代理机构		代理人
主权项
地址

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