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Priority to JP1618072UpriorityCriticalpatent/JPS5122807Y2/ja
Priority to DE19722235432prioritypatent/DE2235432A1/de
Publication of JPS4892229UpublicationCriticalpatent/JPS4892229U/ja
Application grantedgrantedCritical
Publication of JPS5122807Y2publicationCriticalpatent/JPS5122807Y2/ja
