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Priority claimed from FR842835Aexternal-prioritypatent/FR1294733A/en
Priority claimed from FR861953Aexternal-prioritypatent/FR79792E/en
Application filed by Gourdonnaud AlexandrefiledCriticalGourdonnaud Alexandre
Publication of BE609923ApublicationCriticalpatent/BE609923A/en
Manufacturing process of material used in particular for construction, for fire protection, thermal and sound insulation and products conforming to those obtained
Manufacturing process of material used in particular for construction, for fire protection, thermal and sound insulation and products conforming to those obtained