A machine for spreading material |
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| 申请号 | EP88201544.9 | 申请日 | 1988-07-18 | 公开(公告)号 | EP0300580A3 | 公开(公告)日 | 1989-04-19 |
| 申请人 | C. van der Lely N.V.; | 发明人 | Van der Lely, Cornelis; | ||||
| 摘要 | A machine for spreading material, in particular granular and/or pulverulent material such as fertilizer. The machine comprises a frame (1), a hopper (5) and a spreading member (12). The machine is provided with transmission members (54) by means of which electronic and/or sound waves can be transmitted during operation of the device to the stream of material spread by the spreading member (12). The spread of the material can be measured by the said waves. The transmission member co-operates with a receiver receiving the waves transmitted by the transmitter and reflected from the material. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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