Improvements in or relating to composite building boards,申请号GB19420006465-传众专利搜索

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发明名称	Improvements in or relating to composite building boards
摘要
申请公布号	GB558711(A)	申请公布日期	1944.01.18
申请号	GB19420006465	申请日期	1942.05.13
申请人	JOSEPH JOHN ETRIDGE;FRANCIS ROBERT HIMSWORTH;VICTOR LEFEBURE;IMPERIAL CHEMICAL INDUSTRIES LIMITED	发明人
分类号	D21J1/16	主分类号	D21J1/16
代理机构		代理人
主权项
地址

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