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发明名称
METHOD OF,AND MEANS FOR REDUCING THE TRACTIVE EFFORT ON AN AGRICULTURAL TOOL
摘要
申请公布号
US3514960(A)
申请公布日期
1970.06.02
申请号
USD3514960
申请日期
1967.03.24
申请人
ROTARY HOES LTD.
发明人
JOHN ARTHUR HOWARD
分类号
A01B11/00;(IPC1-7):A01B35/00
主分类号
A01B11/00
代理机构
代理人
主权项
地址
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