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Priority claimed from GB695561Aexternal-prioritypatent/GB949693A/en
Priority claimed from GB695461Aexternal-prioritypatent/GB949692A/en
Priority claimed from GB695361Aexternal-prioritypatent/GB949691A/en
Application filed by Almco Supersheen Division Of GfiledCriticalAlmco Supersheen Division Of G
Publication of BE614338ApublicationCriticalpatent/BE614338A/fr