Improved tensioning arrangement for framed flexible materials,申请号GB19540025199-传众专利搜索

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发明名称	Improved tensioning arrangement for framed flexible materials
摘要
申请公布号	GB774131(A)	申请公布日期	1957.05.08
申请号	GB19540025199	申请日期	1954.08.31
申请人	REGINALD ALFRED KNOWLES	发明人
分类号	B41F15/36	主分类号	B41F15/36
代理机构		代理人
主权项
地址

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