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发明名称
CUTTING EDGE FOR EXCAVATING DEVICES
摘要
申请公布号
US3621594(A)
申请公布日期
1971.11.23
申请号
USD3621594
申请日期
1969.02.13
申请人
ESCO CORP.
发明人
FREDERICK C. HAHN;ROBERT K. EMRICH
分类号
E02F9/28;(IPC1-7):E02F9/28
主分类号
E02F9/28
代理机构
代理人
主权项
地址
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