POLYVINYLPYRROLIDONE AND DERIVATIVES (PLASTICS)
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BTAROMATIC AND CYCLIC POLYMERS WITHOUT REACTIVE CARBON DOUBLE BONDS IN THE RING (PLASTICS)
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BTPOLYMERS WITH NITROGEN AS HETEROATOM (PLASTICS)
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BTPOLYVINYLKETONES (PLASTICS)
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BTPYRROLIDINONES (HETEROCYCLIC HYDROCARBONS)
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UDC678.746.523
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Descriptor GERPOLYVINYLPYRROLIDON UND DERIVATE (KUNSTSTOFFE)
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Descriptor ENGPOLYVINYLPYRROLIDONE AND DERIVATIVES (PLASTICS)
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Descriptor FREPOLYVINYLPYRROLIDONE ET DÉRIVÉS (MATIÈRES PLASTIQUES)
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Variant GERPYRROLIDONE/POLYVINYL-PYRROLIDON UND DERIVATE (KUNSTSTOFFE)
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Variant GERPVP, POLYVINYLPYRROLIDON (KUNSTSTOFFE)
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Variant ENGPVP, POLYVINYLPYRROLIDONE (PLASTICS)
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Variant ENGPYRROLIDONE/POLYVINYLPYRROLIDONE AND DERIVATIVES (PLASTICS)
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Variant FREPYRROLIDINONE/POLYVINYLPYRROLIDONE ET DÉRIVÉS (MATIÈRES PLASTIQUES)
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Variant FREPOLYVIDONE (MATIÈRES PLASTIQUES)
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Variant FREPOLYVYNILPYRROLIDONE ET DÉRIVÉS (MATIÈRES PLASTIQUES)
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Variant FREPVP, POLYVINYLPYRROLIDONE (MATIÈRES PLASTIQUES)