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经营范围
发明名称
Digger tooth with replaceable point
摘要
申请公布号
US3371436(A)
申请公布日期
1968.03.05
申请号
US19640419901
申请日期
1964.12.21
申请人
RAYMOND W. SWANSON
发明人
SWANSON RAYMOND W.
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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