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发明名称
Gear cutter
摘要
申请公布号
US1926645(A)
申请公布日期
1933.09.12
申请号
US19280291830
申请日期
1928.07.11
申请人
FARREL-BIRMINGHAM COMPANY, INC.
发明人
LEAHY JAMES F.
分类号
B23F5/16;B23F7/00;B23F21/10
主分类号
B23F5/16
代理机构
代理人
主权项
地址
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