FIELD: textile and construction industry. SUBSTANCE: nonwoven material is made from natural sewn filaments, in particular, from cotton or cellulose filaments. At least one outer side of nonwoven material is covered with high-density fabric made from biologically degradable filaments. EFFECT: increased efficiency, wider fields of application and enhanced reliability in operation. 10 cl, 4 dwg
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Authors
Dates
1998-01-20—Published
1993-07-08—Filed