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Publication date
Application filedfiledCritical
Priority to JP1353176UpriorityCriticalpatent/JPS5417611Y2/ja
Priority to DE2704722Aprioritypatent/DE2704722C2/de
Priority to US05/765,479prioritypatent/US4118892A/en
Priority to AU21940/77Aprioritypatent/AU495594B2/en
Priority to GB4625/77Aprioritypatent/GB1554032A/en
Publication of JPS52139805UpublicationCriticalpatent/JPS52139805U/ja
Application grantedgrantedCritical
Publication of JPS5417611Y2publicationCriticalpatent/JPS5417611Y2/ja