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发明名称
Improvements in and relating to method of and machine for hobbing threading tools
摘要
申请公布号
GB432666(A)
申请公布日期
1935.07.31
申请号
GB19340029247
申请日期
1934.10.12
申请人
GREENFIELD TAP & DIE CORPORATION
发明人
分类号
B23P15/48
主分类号
B23P15/48
代理机构
代理人
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