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Priority to JP43062206ApriorityCriticalpatent/JPS4821169B1/ja
Priority to GB4229869Aprioritypatent/GB1281061A/en
Priority to FR6929448Aprioritypatent/FR2016659A1/fr
Priority to DE19691944067prioritypatent/DE1944067C3/de
Priority to NL6913222Aprioritypatent/NL152725B/xx
Publication of JPS4821169B1publicationCriticalpatent/JPS4821169B1/ja
Priority to US05/449,757prioritypatent/US4047112A/en