发明名称 |
Agricultural covering material |
摘要 |
PCT No. PCT/JP94/00258 Sec. 371 Date Aug. 20, 1996 Sec. 102(e) Date Aug. 20, 1996 PCT Filed Feb. 21, 1994 PCT Pub. No. WO95/22244 PCT Pub. Date Aug. 24, 1995The present invention provides an agricultural covering material comprising a fluororesin film which intercepts the transmission of the ultraviolet rays having a wavelength range of at least 300-330 nm, by at least 40% and which transmits at least 70% of the visible rays having a wavelength range of 400-800 nm. The covering material can be used outdoors in a spread state over a long period of time and is useful as a covering material for greenhouse to replace glass, for cultivation of various useful crops.
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申请公布号 |
US5771630(A) |
申请公布日期 |
1998.06.30 |
申请号 |
US19960696818 |
申请日期 |
1996.08.20 |
申请人 |
NIPPON CARBIDE KOGYO KABUSHIKI KAISHA |
发明人 |
HARASAWA, ISAMU;ISHISAKI, YOSHIAKI;OONISHI, YASUAKI |
分类号 |
A01G9/14;(IPC1-7):A01G9/14 |
主分类号 |
A01G9/14 |
代理机构 |
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主权项 |
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地址 |
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