发明授权
- 专利标题: Substratum for soil-free cultivation
- 专利标题(中): 无土栽培基层
-
申请号: US860574申请日: 1986-05-07
-
公开(公告)号: US4769277A公开(公告)日: 1988-09-06
- 发明人: Jean-Paul Meunier, deceased
- 申请人: Jean-Paul Meunier, deceased
- 申请人地址: FRX Cedex
- 专利权人: Saint-Gobain Recherche
- 当前专利权人: Saint-Gobain Recherche
- 当前专利权人地址: FRX Cedex
- 优先权: FRX8506916 19850507
- 主分类号: A01G31/00
- IPC分类号: A01G31/00 ; A01G31/02 ; D04H1/08
摘要:
Substrata for soil-free cultivation are characterized by a relatively low by-volume mass. They are also constituted of fine fibers. The substrata present the advantage of a high degree of water retention, even for small thicknesses.
公开/授权文献
- US4131382A Expansion joints 公开/授权日:1978-12-26
信息查询