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发明名称
Improvements in and relating to electric tracers for copy milling machines
摘要
申请公布号
GB508743(A)
申请公布日期
1939.07.05
申请号
GB19380019589
申请日期
1938.07.01
申请人
THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED
发明人
分类号
B23Q35/34
主分类号
B23Q35/34
代理机构
代理人
主权项
地址
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