Improvements in and relating to precast reinforced concrete roofs,申请号GB19440000406-传众专利搜索

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发明名称	Improvements in and relating to precast reinforced concrete roofs
摘要
申请公布号	GB577045(A)	申请公布日期	1946.05.02
申请号	GB19440000406	申请日期	1944.01.10
申请人	HENDY QUARRY COMPANY LIMITED;JOHN ACE ROBERTS	发明人
分类号	E04B7/20	主分类号	E04B7/20
代理机构		代理人
主权项
地址

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