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经营范围
发明名称
Valve grinding machine
摘要
申请公布号
US2778163(A)
申请公布日期
1957.01.22
申请号
US19540471682
申请日期
1954.11.29
申请人
NORTON COMPANY
发明人
FLYGARE CARL G.
分类号
B24B15/04
主分类号
B24B15/04
代理机构
代理人
主权项
地址
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