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C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
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FR9861D1905-05-051908-09-29Procédé de fabrication d'un succédané du celluloid, de la corne, de l'ébonite et d'autres substances analogues
ExpiredFR9861E
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