Improvements in or relating to roofing systems,申请号GB19490014151-传众专利搜索

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发明名称	Improvements in or relating to roofing systems
摘要
申请公布号	GB659227(A)	申请公布日期	1951.10.17
申请号	GB19490014151	申请日期	1949.05.26
申请人	REGINALD WILLIAM JENKINS	发明人
分类号	E04D3/365;E04D13/16	主分类号	E04D3/365
代理机构		代理人
主权项
地址

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