Improvements in or relating to electrical recorders,申请号GB19570034527-传众专利搜索

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发明名称	Improvements in or relating to electrical recorders
摘要
申请公布号	GB857466(A)	申请公布日期	1960.12.29
申请号	GB19570034527	申请日期	1957.11.05
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED	发明人	HUNTER IAN
分类号	B41J2/39	主分类号	B41J2/39
代理机构		代理人
主权项
地址

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