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发明名称
Post spade and earth drill
摘要
申请公布号
US1757925(A)
申请公布日期
1930.05.06
申请号
US19270208438
申请日期
1927.07.26
申请人
KIRKPATRICK JOHN M
发明人
KIRKPATRICK JOHN M.
分类号
A01C5/02
主分类号
A01C5/02
代理机构
代理人
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地址
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