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经营范围
发明名称
Valve grinding machines
摘要
申请公布号
US2842901(A)
申请公布日期
1958.07.15
申请号
US19550508213
申请日期
1955.05.13
申请人
LEAVITT MACHINE COMPANY
发明人
RALYS STANLEY
分类号
B24B15/02
主分类号
B24B15/02
代理机构
代理人
主权项
地址
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