Improvements in and relating to bituminised sheet material,申请号GB19490001242-传众专利搜索

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发明名称	Improvements in and relating to bituminised sheet material
摘要
申请公布号	GB659303(A)	申请公布日期	1951.10.24
申请号	GB19490001242	申请日期	1949.01.17
申请人	THE RUBEROID COMPANY LIMITED;DAVIS LAMBERT IRWIN	发明人
分类号	D21F11/00;E01C11/10	主分类号	D21F11/00
代理机构		代理人
主权项
地址

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