IT969350BIT2956872AIT2956872AIT969350BIT 969350 BIT969350 BIT 969350BIT 2956872 AIT2956872 AIT 2956872AIT 2956872 AIT2956872 AIT 2956872AIT 969350 BIT969350 BIT 969350B
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Priority claimed from CH1387471Aexternal-prioritypatent/CH523142A/de
Priority claimed from CH1351472Aexternal-prioritypatent/CH544655A/de
Application filed by Alluminio SafiledCriticalAlluminio Sa
Application grantedgrantedCritical
Publication of IT969350BpublicationCriticalpatent/IT969350B/it