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ADOLPHE-PROSPER D'EGGIS
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ADOLPHE-PROSPER D'EGGIS
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Application filed by ADOLPHE-PROSPER D'EGGISfiledCriticalADOLPHE-PROSPER D'EGGIS
Application grantedgrantedCritical
Publication of FR441815ApublicationCriticalpatent/FR441815A/fr