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发明名称
Subsoiler improvement
摘要
申请公布号
US3393753(A)
申请公布日期
1968.07.23
申请号
US19650497190
申请日期
1965.10.18
申请人
KENDALL B. PERKINS
发明人
PERKINS KENDALL B.
分类号
A01B15/02
主分类号
A01B15/02
代理机构
代理人
主权项
地址
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