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Application filed by Jacob Schlapfer Und Co A GfiledCriticalJacob Schlapfer Und Co A G
Priority to IT68734/81ApriorityCriticalpatent/IT1146734B/en
Publication of IT8168734A0publicationCriticalpatent/IT8168734A0/en
Application grantedgrantedCritical
Publication of IT1146734BpublicationCriticalpatent/IT1146734B/en