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发明名称
Seed saving device
摘要
申请公布号
US2083444(A)
申请公布日期
1937.06.08
申请号
US19360063025
申请日期
1936.02.08
申请人
HARDEN WILLIAM A;BURKS ALBERTA D
发明人
HARDEN WILLIAM A.;BURKS ALBERTA D.
分类号
A01D45/30
主分类号
A01D45/30
代理机构
代理人
主权项
地址
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