Greenhouse

Details Greenhouse Greenhouse

1979-03-05

1981-06-02

Eickholt, E. H.

Plant husbandry

Greenhouse, apparatus or method

2642358, 264DIG73, B29C 2500

Patent

active

042703085

ABSTRACT:
A greenhouse constructed by stretching over a framework a polyethylene terephthalate film oriented in at least one direction and having a refractive index in the oriented direction of 1.57 to 1.78, a refractive index in the thickness direction of 1.48 to 1.57, a density of 1.340 to 1.390 g/cm.sup.3, and a thickness of 50 to 500 microns, as a material for protecting plants from weather exposure.

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