Improvements in and relating to flexible or semi-flexible sheet materials,申请号GB19370034156-传众专利搜索

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发明名称	Improvements in and relating to flexible or semi-flexible sheet materials
摘要
申请公布号	GB507215(A)	申请公布日期	1939.06.09
申请号	GB19370034156	申请日期	1937.12.09
申请人	CHARLES ARCHIE BROWN	发明人
分类号	A47G9/02	主分类号	A47G9/02
代理机构		代理人
主权项
地址

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