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发明名称
Broadcast seeder
摘要
申请公布号
US2676695(A)
申请公布日期
1954.04.27
申请号
US19510225448
申请日期
1951.05.09
申请人
WALTER STEELE
发明人
STEELE WALTER
分类号
A01C17/00
主分类号
A01C17/00
代理机构
代理人
主权项
地址
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