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发明名称
Agricultural implement
摘要
申请公布号
US1760894(A)
申请公布日期
1930.06.03
申请号
US19280258077
申请日期
1928.02.29
申请人
BARKER WILLIAM S
发明人
BARKER WILLIAM S.
分类号
A01B31/00
主分类号
A01B31/00
代理机构
代理人
主权项
地址
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