发明授权
US5033231A Net for grassing 失效
净草为草

Net for grassing
摘要:
A net for grassing obtained by knitting and weaving wefts having an appointed width in a texture less than said width by means of a large number of warps and having mountain portions and valley portions randomly formed on a right side and a reverse side thereof.Earth and sand and sprayed materials can be prevented from being washed away in the first stage of the protective construction for a face of slope.
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