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发明名称
Self-cleaning tine
摘要
申请公布号
US2502094(A)
申请公布日期
1950.03.28
申请号
US19460673590
申请日期
1946.05.31
申请人
ROTOTILLER INC.
发明人
KELSEY CADWALLADER W.
分类号
A01B33/10
主分类号
A01B33/10
代理机构
代理人
主权项
地址
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