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.)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from NL747408016Aexternal-prioritypatent/NL153602B/en
Application filedfiledCritical
Application grantedgrantedCritical
Publication of AU486710B2publicationCriticalpatent/AU486710B2/en
Publication of AU8210075ApublicationCriticalpatent/AU8210075A/en