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Application filedfiledCritical
Priority to JP1977105940UpriorityCriticalpatent/JPS6011330Y2/ja
Priority to AU38419/78Aprioritypatent/AU521043B2/en
Priority to US05/929,460prioritypatent/US4269333A/en
Priority to DE2834074Aprioritypatent/DE2834074C2/de
Priority to CA308,862Aprioritypatent/CA1093515A/en
Priority to GB7832652Aprioritypatent/GB2001933B/en
Publication of JPS5431931UpublicationCriticalpatent/JPS5431931U/ja
Application grantedgrantedCritical
Publication of JPS6011330Y2publicationCriticalpatent/JPS6011330Y2/ja