IT948759B - Dispositivo per la formazione di alettatura su corpi tubolari
- Google Patents
Dispositivo per la formazione di alettatura su corpi tubolari
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Publication number
IT948759B
IT948759BIT4861172AIT4861172AIT948759BIT 948759 BIT948759 BIT 948759BIT 4861172 AIT4861172 AIT 4861172AIT 4861172 AIT4861172 AIT 4861172AIT 948759 BIT948759 BIT 948759B
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Priority claimed from DE19712109382external-prioritypatent/DE2109382A1/de
Application filed by Gea LuftkuhlergmbhfiledCriticalGea Luftkuhlergmbh
Application grantedgrantedCritical
Publication of IT948759BpublicationCriticalpatent/IT948759B/it