Improvements in or relating to roof construction,申请号GB19520014804-传众专利搜索

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发明名称	Improvements in or relating to roof construction
摘要
申请公布号	GB729758(A)	申请公布日期	1955.05.11
申请号	GB19520014804	申请日期	1952.06.12
申请人	C.D. PRODUCTIONS LIMITED;EDWARD CHARLES COLLINS;OVE NYQUIST ARUP	发明人
分类号	E04B5/12;E04B7/00	主分类号	E04B5/12
代理机构		代理人
主权项
地址

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