Improvements in heat-insulating material,申请号GB19440006476-传众专利搜索

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发明名称	Improvements in heat-insulating material
摘要
申请公布号	GB594638(A)	申请公布日期	1947.11.17
申请号	GB19440006476	申请日期	1944.04.06
申请人	THE RUBEROID CO.	发明人
分类号	C04B28/18	主分类号	C04B28/18
代理机构		代理人
主权项
地址

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