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发明名称
Apparatus for finishing gears
摘要
申请公布号
US2214225(A)
申请公布日期
1940.09.10
申请号
US19370148224
申请日期
1937.06.14
申请人
DRUMMOND ROBERT S
发明人
DRUMMOND ROBERT S.
分类号
B23F19/06;B23F21/28;B23F23/12
主分类号
B23F19/06
代理机构
代理人
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