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发明名称
Two row grain header
摘要
申请公布号
US1925975(A)
申请公布日期
1933.09.05
申请号
US19320617631
申请日期
1932.06.16
申请人
SELMA BENNER NAVE
发明人
BENNER ARNOLD R.
分类号
A01D47/00
主分类号
A01D47/00
代理机构
代理人
主权项
地址
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