Improvements in or relating to reversible drum-to-drum tape, film and like winding mechanisms,申请号GB19470033159D-传众专利搜索

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发明名称	Improvements in or relating to reversible drum-to-drum tape, film and like winding mechanisms
摘要
申请公布号	GB647545(A)	申请公布日期	1950.12.13
申请号	GB19470033159D	申请日期	1947.12.16
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED	发明人	PAYNE GEOFFREY;SCARR WILLIAM THEODORE
分类号	G03B21/43;H03J1/08	主分类号	G03B21/43
代理机构		代理人
主权项
地址

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