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Priority to JP1362768ApriorityCriticalpatent/JPS5510976B1/ja
Priority to GB01013/69Aprioritypatent/GB1255995A/en
Priority to FR6905711Aprioritypatent/FR2003163A1/fr
Priority to NL6903255Aprioritypatent/NL6903255A/xx
Priority to DE19691910746prioritypatent/DE1910746A1/de
Publication of JPS5510976B1publicationCriticalpatent/JPS5510976B1/ja