IT1030686B - Perfezionamenti relativi a valvole
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Perfezionamenti relativi a valvole
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Publication number
IT1030686B
IT1030686BIT2809574AIT2809574AIT1030686BIT 1030686 BIT1030686 BIT 1030686BIT 2809574 AIT2809574 AIT 2809574AIT 2809574 AIT2809574 AIT 2809574AIT 1030686 BIT1030686 BIT 1030686B
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Priority claimed from GB4652573Aexternal-prioritypatent/GB1433795A/en
Application filed by Bridon Engineering LtdfiledCriticalBridon Engineering Ltd
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Publication of IT1030686BpublicationCriticalpatent/IT1030686B/it