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Main.TEXTILES.Fibers.Elastomer Fiber..Spandex/Elastane PolyUrethane Fiber.Co.: USA. I (Producer/Patents).Patent.Claims Etc.Claim 1 PolyUrethane Durable Fiber.Small Angle X-Ray Scattering Image., Long Period Direction Meridian.7-16 nm, & WHEREIN Image is.Eyebrow-Shaped Four Dot Scattering.Image Long Period Direction of.Equator of 13-30 nm Fiber Fineness.=3.3-33 dtex, UnderGarment..Patent Assignee |