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发明名称
Excavator rooter tooth assembly
摘要
申请公布号
US2940191(A)
申请公布日期
1960.06.14
申请号
US19570670064
申请日期
1957.07.05
申请人
THE CLEVELAND TRENCHER COMPANY
发明人
ASKUE ALBERT R.
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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