发明名称 Method and means for covering low plant growths
摘要 A method and article for horticultural protection of plant growths during the maturation thereof whereby the volume exchange of oxygen, carbon dioxide, and moisture is controlled in accordance with the demands thereof during maturation.
申请公布号 US3975859(A) 申请公布日期 1976.08.24
申请号 US19750579421 申请日期 1975.05.21
申请人 BREVETEAM S.A. 发明人 MULLER, JEAN-PIERRE
分类号 A01G13/00;A01G13/02;(IPC1-7):A01G13/02 主分类号 A01G13/00
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