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Stefan Astegger
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Vocklabruck, AT
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last 30 patents
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Patent Grant
Process for cleaning or purifying aqueous N-methylmorpholine-N-oxid...
Patent number
5,178,764
Issue date
Jan 12, 1993
Lenzing Aktiengesellschaft
Stefan Astegger
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING