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发明名称
Apparatus for locally hardening gears, shafts, etc.
摘要
申请公布号
US2364565(A)
申请公布日期
1944.12.05
申请号
US19390303814
申请日期
1939.11.10
申请人
THE FELLOWS GEAR SHAPER COMPANY
发明人
STUBBS EVERARD
分类号
C21D1/08
主分类号
C21D1/08
代理机构
代理人
主权项
地址
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