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Priority to JP1975108681UpriorityCriticalpatent/JPS5814340Y2/ja
Priority to DE19762633979prioritypatent/DE2633979A1/de
Priority to GB3251176Aprioritypatent/GB1534082A/en
Priority to US05/712,400prioritypatent/US4081810A/en
Publication of JPS5223537UpublicationCriticalpatent/JPS5223537U/ja
Application grantedgrantedCritical
Publication of JPS5814340Y2publicationCriticalpatent/JPS5814340Y2/ja