FR18797E - Nouvelle matière plastique, transparente, flexible, ininflammable, pouvant remplacer le celluloid, servir d'apprets, etre filée et tissée
- Google Patents
Nouvelle matière plastique, transparente, flexible, ininflammable, pouvant remplacer le celluloid, servir d'apprets, etre filée et tissée
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JEAN BAPTISTE FELIX PERROT
PHILIPPE JULES CONTANT
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JEAN BAPTISTE FELIX PERROT
PHILIPPE JULES CONTANT
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Application filed by JEAN BAPTISTE FELIX PERROT, PHILIPPE JULES CONTANTfiledCriticalJEAN BAPTISTE FELIX PERROT
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Publication of FR18797EpublicationCriticalpatent/FR18797E/fr