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Priority to JP3693276UpriorityCriticalpatent/JPS5516991Y2/ja
Priority to FR7708131Aprioritypatent/FR2357720A1/fr
Priority to DE19772711899prioritypatent/DE2711899C3/de
Priority to NL7702951Aprioritypatent/NL7702951A/xx
Publication of JPS52129112UpublicationCriticalpatent/JPS52129112U/ja
Application grantedgrantedCritical
Publication of JPS5516991Y2publicationCriticalpatent/JPS5516991Y2/ja