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发明名称
Method of making valve tappets and like objects
摘要
申请公布号
US2142889(A)
申请公布日期
1939.01.03
申请号
US19380214491
申请日期
1938.06.18
申请人
EATON MANUFACTURING COMPANY
发明人
DOSTAL JOSEPH L.
分类号
B22C9/00
主分类号
B22C9/00
代理机构
代理人
主权项
地址
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