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发明名称
Bearing for disk harrows
摘要
申请公布号
US2102822(A)
申请公布日期
1937.12.21
申请号
US19370135453
申请日期
1937.04.07
申请人
VIAU CHARLES T
发明人
VIAU CHARLES T.
分类号
A01B23/06
主分类号
A01B23/06
代理机构
代理人
主权项
地址
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