Improvements in or relating to poster, picture, photographic and other like frames,申请号GB19460004247-传众专利搜索

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发明名称	Improvements in or relating to poster, picture, photographic and other like frames
摘要
申请公布号	GB608648(A)	申请公布日期	1948.09.17
申请号	GB19460004247	申请日期	1946.02.11
申请人	ROWLAND HILL	发明人
分类号	G09F1/14	主分类号	G09F1/14
代理机构		代理人
主权项
地址

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