| 发明名称 |
Device for freeing stones from soil and collecting them is towed behind tractor and comprises blades which are mounted in pairs and slope forwards, rotating stone collector being mounted behind blades |
| 摘要 |
The device for freeing stones from soil and collecting them is towed behind a tractor and comprises blades which are mounted in pairs and slope forwards at 45 deg . A rotating stone collector is mounted behind the blades.
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| 申请公布号 |
DE10020470(A1) |
申请公布日期 |
2001.10.31 |
| 申请号 |
DE20001020470 |
申请日期 |
2000.04.26 |
| 申请人 |
FOERDER, ERNST WILHELM |
发明人 |
FOERDER, ERNST WILHELM |
| 分类号 |
A01B35/10;A01B49/02;(IPC1-7):A01B35/22;A01B35/32;A01B43/00;A01B49/04;A01B61/00 |
主分类号 |
A01B35/10 |
| 代理机构 |
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代理人 |
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| 主权项 |
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