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发明名称
Tillage implement
摘要
申请公布号
US2063851(A)
申请公布日期
1936.12.08
申请号
US19320622757
申请日期
1932.07.15
申请人
B. F. AVERY & SONS COMPANY
发明人
RAY CHARLES T.
分类号
A01B59/06
主分类号
A01B59/06
代理机构
代理人
主权项
地址
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