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发明名称
Improvements in and relating to rack cutters for cutting internal gears
摘要
申请公布号
GB477568(A)
申请公布日期
1938.01.03
申请号
GB19360028117
申请日期
1936.10.16
申请人
P. R. JACKSON & CO. LIMITED;ISAAC MONK
发明人
分类号
B23F21/08
主分类号
B23F21/08
代理机构
代理人
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地址
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