Improvements in and relating to a change speed box of the preselection type for machine tools,申请号GB19560036997-传众专利搜索

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发明名称	Improvements in and relating to a change speed box of the preselection type for machine tools
摘要
申请公布号	GB803807(A)	申请公布日期	1958.11.05
申请号	GB19560036997	申请日期	1956.12.04
申请人	SOCIETE GENEVOISE D'INSTRUMENTS DE PHYSIQUE	发明人
分类号	B23Q5/18;F16H61/02	主分类号	B23Q5/18
代理机构		代理人
主权项
地址

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