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Priority to JP7421372UpriorityCriticalpatent/JPS5413557Y2/ja
Priority to DE19732319141prioritypatent/DE2319141C3/de
Priority to US00354699Aprioritypatent/US3838237A/en
Priority to GB2019373Aprioritypatent/GB1425403A/en
Publication of JPS4932169UpublicationCriticalpatent/JPS4932169U/ja
Application grantedgrantedCritical
Publication of JPS5413557Y2publicationCriticalpatent/JPS5413557Y2/ja