Separate nonwoven fabric layers comprise chemically different strand or fiber material

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Fabric [woven, knitted, or nonwoven textile or cloth, etc.] > Nonwoven fabric [i.e., nonwoven strand or fiber material] > Including an additional nonwoven fabric > Separate nonwoven fabric layers comprise chemically different strand or fiber material

Child Classifications

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• Y10T 442/669 At least one layer of inorganic strand or fiber material and at least one layer of synthetic polymeric strand or fiber material