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Priority to JP46037473ApriorityCriticalpatent/JPS4938839B1/ja
Priority to CH1425171Aprioritypatent/CH563344A5/xx
Priority to DE19712148953prioritypatent/DE2148953C3/de
Priority to FR7135165Aprioritypatent/FR2108117B1/fr
Priority to GB4564671Aprioritypatent/GB1315099A/en
Publication of JPS4938839B1publicationCriticalpatent/JPS4938839B1/ja