ES163452A1 - Un procedimiento de fabricar hilos, fibras hojas, etc., artificiales de xantogenatos de la celulosa o derivados de la misma
- Google Patents
Un procedimiento de fabricar hilos, fibras hojas, etc., artificiales de xantogenatos de la celulosa o derivados de la misma
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Texis SA
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Texis SA
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ES163452A1943-10-221943-10-22Un procedimiento de fabricar hilos, fibras hojas, etc., artificiales de xantogenatos de la celulosa o derivados de la misma
ExpiredES163452A1
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