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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0418309 (1973-11-23) |
발명자 / 주소 |
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출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 15 인용 특허 : 0 |
An automatic irrigation controller apparatus having a cam follower operated bank of pilot valves for operating selected pilot operated water valves throughout a watering or irrigation system is provided with a water powered means for receiving water under pressure from a source thereof and a member
A drive means for operating an automatic controller apparatus having a power input shaft, comprising: water powered means for receiving water under varying pressure from a source thereof and having a member driven by the force of said water thereon, said water powered means including means for suppl
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