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Home › Method and apparatus for spraying hot melt adhesive elongated fibers in spiral patterns by two or more side-by-side spray devices

Method and apparatus for spraying hot melt adhesive elongated fibers in spiral patterns by two or more side-by-side spray devices

US Patent 4815660 · Granted Mar 28, 1989

Estimated economic value: $1,367,000 ⓘ

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