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发明名称
Steering aid for tractor-mounted cultivators
摘要
申请公布号
US2726591(A)
申请公布日期
1955.12.13
申请号
US19520316625
申请日期
1952.10.24
申请人
WEBER CLARENCE R
发明人
WEBER CLARENCE R.
分类号
A01B35/22
主分类号
A01B35/22
代理机构
代理人
主权项
地址
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