IT1090439B - Perfezionamento negli essiccatori a camere multiple a vuoto
- Google Patents
Perfezionamento negli essiccatori a camere multiple a vuoto
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Publication number
IT1090439B
IT1090439BIT5180777AIT5180777AIT1090439BIT 1090439 BIT1090439 BIT 1090439BIT 5180777 AIT5180777 AIT 5180777AIT 5180777 AIT5180777 AIT 5180777AIT 1090439 BIT1090439 BIT 1090439B
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Application filed by Helversen Frederick DfiledCriticalHelversen Frederick D
Priority to IT5180777ApriorityCriticalpatent/IT1090439B/it
Application grantedgrantedCritical
Publication of IT1090439BpublicationCriticalpatent/IT1090439B/it