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Home › Poly-para-phenyleneterephthalamide compositions, their preparation and a process for the production of fibres from these compounds

Poly-para-phenyleneterephthalamide compositions, their preparation and a process for the production of fibres from these compounds

US Patent 4579895 · Granted Apr 1, 1986

Estimated economic value: $2,479,000 ⓘ

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