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 Telepantograph GmbhfiledCriticalTelepantograph Gmbh
Priority to NL249ApriorityCriticalpatent/NL776C/en
Application grantedgrantedCritical
Publication of NL776CpublicationCriticalpatent/NL776C/en