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发明名称
Earth working and planting implement
摘要
申请公布号
US2783701(A)
申请公布日期
1957.03.05
申请号
US19560563548
申请日期
1956.02.06
申请人
PADRICK JOHN R
发明人
PADRICK JOHN R.
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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