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发明名称
ATTACHMENT FOR RAKES
摘要
An attachment including a shoe is detachably securable to each end of toothed or blade-type rake and is adjustable to control the penetration of the raking element in the soil or grass.
申请公布号
US3678670(A)
申请公布日期
1972.07.25
申请号
USD3678670
申请日期
1971.06.02
申请人
RUDOLF WELZ
发明人
RUDOLF WELZ
分类号
A01D7/00;(IPC1-7):A01D7/00
主分类号
A01D7/00
代理机构
代理人
主权项
地址
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