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.)
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Application filed by Hamer JanfiledCriticalHamer Jan
Priority to NL85ApriorityCriticalpatent/NL240C/nl
Application grantedgrantedCritical
Publication of NL240CpublicationCriticalpatent/NL240C/nl