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Application filedfiledCritical
Priority to JP1976137541UpriorityCriticalpatent/JPS5411860Y2/ja
Priority to GB13501/77Aprioritypatent/GB1565860A/en
Priority to DE19772714709prioritypatent/DE2714709C3/de
Priority to NLAANVRAGE7703582,Aprioritypatent/NL176992C/xx
Publication of JPS5354648UpublicationCriticalpatent/JPS5354648U/ja
Application grantedgrantedCritical
Publication of JPS5411860Y2publicationCriticalpatent/JPS5411860Y2/ja