IT1053986B - Perfezionamento nelle spie trasparenti di osservazione per recipienti pressurizzati
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Perfezionamento nelle spie trasparenti di osservazione per recipienti pressurizzati
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Publication number
IT1053986B
IT1053986BIT4807976AIT4807976AIT1053986BIT 1053986 BIT1053986 BIT 1053986BIT 4807976 AIT4807976 AIT 4807976AIT 4807976 AIT4807976 AIT 4807976AIT 1053986 BIT1053986 BIT 1053986B
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Application filed by Meginnis CfiledCriticalMeginnis C
Priority to IT4807976ApriorityCriticalpatent/IT1053986B/it
Application grantedgrantedCritical
Publication of IT1053986BpublicationCriticalpatent/IT1053986B/it