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发明名称
Seed ejector for rotary trap chamber type seed planters
摘要
申请公布号
US2535222(A)
申请公布日期
1950.12.26
申请号
US19470745987
申请日期
1947.05.05
申请人
MILTON PAUL E
发明人
MILTON PAUL E.
分类号
A01C7/04
主分类号
A01C7/04
代理机构
代理人
主权项
地址
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