E - Fixed Constructions – 02 – B
Patent
E - Fixed Constructions
02
B
61/27, 254/52
E02B 3/12 (2006.01) E02B 3/04 (2006.01)
Patent
CA 1170064
ABSTRACT OF THE DISCLOSURE An aquatic weed barrier id disclosed which comprises a film having a plurality of incisions therein. Each incision is shaped to form at least one flap adjacent the incision. The film has a light transmittance of less than 50% in the 200 to 650 nm wavelength range.
398464
Du Pont Canada Inc.
Mccallum Brooks & Co.
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