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 EumigfiledCriticalEumig
Priority to AT193871ApriorityCriticalpatent/AT302032B/de
Priority to DE19727205129prioritypatent/DE7205129U/de
Application grantedgrantedCritical
Publication of AT302032BpublicationCriticalpatent/AT302032B/de