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Priority to JP1430869UpriorityCriticalpatent/JPS4919109Y1/ja
Priority to DE19702005525prioritypatent/DE2005525A1/de
Priority to CH175870Aprioritypatent/CH508241A/de
Priority to FR7004331Aprioritypatent/FR2041045B1/fr
Priority to GB588570Aprioritypatent/GB1299961A/en
Publication of JPS4919109Y1publicationCriticalpatent/JPS4919109Y1/ja