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Priority to JP2630172UpriorityCriticalpatent/JPS53257Y2/ja
Priority to US334731Aprioritypatent/US3883253A/en
Priority to DE2310573Aprioritypatent/DE2310573C3/de
Publication of JPS48101749UpublicationCriticalpatent/JPS48101749U/ja
Priority to US524673Aprioritypatent/US3892495A/en
Application grantedgrantedCritical
Publication of JPS53257Y2publicationCriticalpatent/JPS53257Y2/ja