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Application filedfiledCritical
Priority to JP7333272UpriorityCriticalpatent/JPS5614558Y2/ja
Priority to DE19722261553prioritypatent/DE2261553C2/de
Priority to NL7217779Aprioritypatent/NL170987C/xx
Publication of JPS4932622UpublicationCriticalpatent/JPS4932622U/ja
Application grantedgrantedCritical
Publication of JPS5614558Y2publicationCriticalpatent/JPS5614558Y2/ja