Improvements in keyboard mechanisms for printing telegraph apparatus,申请号GB19300031318-传众专利搜索

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发明名称	Improvements in keyboard mechanisms for printing telegraph apparatus
摘要
申请公布号	GB358737(A)	申请公布日期	1931.10.15
申请号	GB19300031318	申请日期	1930.10.18
申请人	TELETYPE CORPORATION	发明人
分类号	H04L17/04	主分类号	H04L17/04
代理机构		代理人
主权项
地址

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