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发明名称
Heat-treating gear
摘要
申请公布号
US2521699(A)
申请公布日期
1950.09.12
申请号
US19460652091
申请日期
1946.03.05
申请人
THE OHIO CRANKSHAFT COMPANY
发明人
DENNEEN FRANCIS S.;DUNN WILLIAM C.
分类号
C21D9/32;H05B6/02
主分类号
C21D9/32
代理机构
代理人
主权项
地址
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