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经营范围
发明名称
Ground working tooth
摘要
申请公布号
US3026947(A)
申请公布日期
1962.03.27
申请号
US19590855713
申请日期
1959.11.27
申请人
ESCO CORPORATION
发明人
LARSEN PAUL V.;EYOLFSON PAUL;HILL GEORGE W.;JR. EUGENE W. DILS,
分类号
E02F9/28
主分类号
E02F9/28
代理机构
代理人
主权项
地址
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