IT940841B - Dispositivo per creare il vuoto mediante aria compressa
- Google Patents
Dispositivo per creare il vuoto mediante aria compressa
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Publication number
IT940841B
IT940841BIT4251971AIT4251971AIT940841BIT 940841 BIT940841 BIT 940841BIT 4251971 AIT4251971 AIT 4251971AIT 4251971 AIT4251971 AIT 4251971AIT 940841 BIT940841 BIT 940841B
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Priority to IT4251971ApriorityCriticalpatent/IT940841B/it
Application grantedgrantedCritical
Publication of IT940841BpublicationCriticalpatent/IT940841B/it