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发明名称
Valve-seat surfacing tool
摘要
申请公布号
US2102707(A)
申请公布日期
1937.12.21
申请号
US19360101002
申请日期
1936.09.16
申请人
H & H MACHINE & MOTOR PARTS CO.
发明人
HOLHUT MICHAEL
分类号
B23C3/05
主分类号
B23C3/05
代理机构
代理人
主权项
地址
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