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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Publication date
Application filedfiledCritical
Priority to JP2139379UpriorityCriticalpatent/JPS624889Y2/ja
Priority to GB8004624Aprioritypatent/GB2043322B/en
Priority to US06/121,012prioritypatent/US4330884A/en
Priority to NLAANVRAGE8000966,Aprioritypatent/NL183683C/xx
Priority to CA345,971Aprioritypatent/CA1125181A/en
Priority to FR8003584Aprioritypatent/FR2449941B1/fr
Publication of JPS55122213UpublicationCriticalpatent/JPS55122213U/ja
Application grantedgrantedCritical
Publication of JPS624889Y2publicationCriticalpatent/JPS624889Y2/ja