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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0879890 (1978-02-21) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 8 인용 특허 : 1 |
The self-propelled irrigation apparatus of the invention has a self-propelled trolley means mounted on water-carrying pipe means disposed in an area to be irrigated. Valve means actuated by depressable levers are disposed in spaced-apart relationship along the upper side of the pipe means. Valve-act
A self-propelled irrigation apparatus comprising in combination: elongate pipe means extending along an area to be irrigated and being connected to a source of pressurized water; a plurality of spaced-apart normally closed valve means disposed along the upper side of said pipe means, each of said va
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