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发明名称
Adjustable ground engaging tool
摘要
申请公布号
US2798420(A)
申请公布日期
1957.07.09
申请号
US19550500135
申请日期
1955.04.08
申请人
CLAUDE EWALT
发明人
EWALT CLAUDE
分类号
A01B15/16
主分类号
A01B15/16
代理机构
代理人
主权项
地址
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