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Class 139/420D - Asbestos

Subclass of Class 139 - Textiles: weaving
No. of patents: 1
Last issue date: 06/06/1978

Number	Title	Issue Date
4093512	Papermakers belts having ultra-high modulus load bearing yarns Generally, this invention relates to papermakers' belts for use in papermaking machines which comprise ultra high modulus load bearing yarn comprised of poly(para-phenylene terephthalamide)....	06/06/1978