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发明名称
Seed distributor
摘要
申请公布号
US2668638(A)
申请公布日期
1954.02.09
申请号
US19490107276
申请日期
1949.07.28
申请人
LAURA M. JOY
发明人
JOY RAYMOND L.
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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