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发明名称
Ridge leveling attachment
摘要
申请公布号
US2282367(A)
申请公布日期
1942.05.12
申请号
US19410387335
申请日期
1941.04.07
申请人
KOISTINEN ARNOLD A
发明人
KOISTINEN ARNOLD A.
分类号
A01B35/10;A01B63/04
主分类号
A01B35/10
代理机构
代理人
主权项
地址
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