发明名称 DRUM ROLLER DISPENSER FOR DRY PARTICLES, PARTICULARLY POLYMERIC EROSION CONTROL AGENTS
摘要 <p>The present invention relates to a device for dispensing dry particles into a body of water using a direct current power source delivering about six volts or less. The present invention further relates to an irrigation process using said device for the delivery of an erosion control agent.</p>
申请公布号 WO2001028313(A1) 申请公布日期 2001.04.26
申请号 EP2000009986 申请日期 2000.10.11
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