IT993441B - Dispositivo di sicurezza termosen sibile per valvole a saracinesca
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Dispositivo di sicurezza termosen sibile per valvole a saracinesca
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Publication number
IT993441B
IT993441BIT2942873AIT2942873AIT993441BIT 993441 BIT993441 BIT 993441BIT 2942873 AIT2942873 AIT 2942873AIT 2942873 AIT2942873 AIT 2942873AIT 993441 BIT993441 BIT 993441B
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Priority claimed from US00313286Aexternal-prioritypatent/US3820118A/en
Priority claimed from US31912372external-prioritypatent/US3896835A/en
Application filed by Acf Ind IncfiledCriticalAcf Ind Inc
Application grantedgrantedCritical
Publication of IT993441BpublicationCriticalpatent/IT993441B/it