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 Karel KohnfiledCriticalKarel Kohn
Priority to CS188877ApriorityCriticalpatent/CS190116B1/cs
Publication of CS190116B1publicationCriticalpatent/CS190116B1/cs