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Priority claimed from GB16905/74Aexternal-prioritypatent/GB1510781A/en
Priority claimed from GB27783/74Aexternal-prioritypatent/GB1510782A/en
Priority claimed from DK164975Aexternal-prioritypatent/DK164975A/da
Application filed by British Industrial PlasticsfiledCriticalBritish Industrial Plastics
Publication of DK172476ApublicationCriticalpatent/DK172476A/da