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Priority to JP1976168173UpriorityCriticalpatent/JPS5641394Y2/ja
Priority to GB3654277Aprioritypatent/GB1579076A/en
Priority to SE7709934Aprioritypatent/SE423852B/xx
Priority to NL7709792Aprioritypatent/NL7709792A/xx
Priority to DE19772740086prioritypatent/DE2740086C2/de
Priority to US05/859,668prioritypatent/US4187729A/en
Publication of JPS5385904UpublicationCriticalpatent/JPS5385904U/ja
Application grantedgrantedCritical
Publication of JPS5641394Y2publicationCriticalpatent/JPS5641394Y2/ja