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发明名称
Method of cutting gears
摘要
申请公布号
US1903043(A)
申请公布日期
1933.03.28
申请号
US19300468353
申请日期
1930.07.16
申请人
GLEASON WORKS
发明人
HEAD ERNEST C.
分类号
B23F9/08;B23F21/18
主分类号
B23F9/08
代理机构
代理人
主权项
地址
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