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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0852430 (1977-11-17) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 19 인용 특허 : 0 |
A heavy, immobile ground based enclosure surrounds growing plants. A cover assembly is removably engaged on the enclosure during periods of inclement or unfavorable weather, and is maintained in place by releasable engagement means. The cover assembly has ventilation means, heat transfer means, and
Means for the protection and treatment of growing crops comprising: a ground based heavy enclosure including side stringers and end blocks; a series of connector elements fixedly secured at spaced intervals along the stringers and end blocks, said connector elements comprising upstanding bolts parti
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