Improvements in devices for controlling the change speed gears of machine-tools,申请号GB19370014384-传众专利搜索

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发明名称	Improvements in devices for controlling the change speed gears of machine-tools
摘要
申请公布号	GB482232(A)	申请公布日期	1938.03.25
申请号	GB19370014384	申请日期	1937.05.24
申请人	ATELIERS G.S.P. GUILLEMIN, SERGOT & PEGARD	发明人
分类号	B23Q17/00	主分类号	B23Q17/00
代理机构		代理人
主权项
地址

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