| 发明名称 |
Device for long-term application of a fertilizer comprises a unit made of a material letting through water, and an outer cover sleeve with perforations and end caps with perforations |
| 摘要 |
<p>The device for long-term application of a fertilizer comprises a unit (3) made of a material letting through water, and an outer sleeve (1) with perforations (11) and end caps (4, 5) with perforations for covering the unit with a clearance.</p> |
| 申请公布号 |
DE202006013176(U1) |
申请公布日期 |
2006.10.26 |
| 申请号 |
DE20062013176U |
申请日期 |
2006.08.28 |
| 申请人 |
YEH, NAI-TZY |
发明人 |
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| 分类号 |
A01C15/00;A01C21/00;A01G29/00 |
主分类号 |
A01C15/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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