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发明名称
Hob and method of cutting for tapered gears
摘要
申请公布号
US1849810(A)
申请公布日期
1932.03.15
申请号
US19290336088
申请日期
1929.01.30
申请人
SIMMONS OLIVER G
发明人
SIMMONS OLIVER G.
分类号
B23F5/24
主分类号
B23F5/24
代理机构
代理人
主权项
地址
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