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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Publication date
Priority claimed from NL666606634Aexternal-prioritypatent/NL142299B/xx
Application filed by Siemens AgfiledCriticalSiemens Ag
Priority to NL727214832ApriorityCriticalpatent/NL146351B/xx
Publication of NL7214832ApublicationCriticalpatent/NL7214832A/xx
Publication of NL146351BpublicationCriticalpatent/NL146351B/xx
