Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application filedfiledCritical
Priority to JP1981048996UpriorityCriticalpatent/JPS6219049Y2/ja
Priority to US06/321,228prioritypatent/US4429943A/en
Priority to FR8202105Aprioritypatent/FR2499775B1/fr
Publication of JPS57161871UpublicationCriticalpatent/JPS57161871U/ja
Application grantedgrantedCritical
Publication of JPS6219049Y2publicationCriticalpatent/JPS6219049Y2/ja
