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发明名称
Method for finishing worms and a tool therefor
摘要
申请公布号
GB665947(A)
申请公布日期
1952.02.06
申请号
GB19490025616
申请日期
1949.10.05
申请人
NATIONAL BROACH AND MACHINE CO.
发明人
分类号
B23F13/02;B23F19/06;B23F21/12
主分类号
B23F13/02
代理机构
代理人
主权项
地址
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