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发明名称
Seed planter
摘要
申请公布号
US1786100(A)
申请公布日期
1930.12.23
申请号
US19290360747
申请日期
1929.05.06
申请人
J. E. MILLER
发明人
WARD JOSEPH
分类号
A01C7/18
主分类号
A01C7/18
代理机构
代理人
主权项
地址
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