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发明名称
Rotary harrow
摘要
申请公布号
US2725807(A)
申请公布日期
1955.12.06
申请号
US19530382945
申请日期
1953.09.29
申请人
SIBERT WORTH A
发明人
SIBERT WORTH A.
分类号
A01B49/02
主分类号
A01B49/02
代理机构
代理人
主权项
地址
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