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
Application filed by Pilat Peter IngfiledCriticalPilat Peter Ing
Priority to CS895013ApriorityCriticalpatent/CS501389A2/cs
Publication of CS501389A2publicationCriticalpatent/CS501389A2/cs