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发明名称
Soil spiking machine
摘要
申请公布号
US3163236(A)
申请公布日期
1964.12.29
申请号
US19620234104
申请日期
1962.10.30
申请人
RAY JOHN C
发明人
RAY JOHN C.
分类号
A01B45/02
主分类号
A01B45/02
代理机构
代理人
主权项
地址
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