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 Nyby Bruk AbfiledCriticalNyby Bruk Ab
Priority to CS698873ApriorityCriticalpatent/CS188171B2/en
Publication of CS188171B2publicationCriticalpatent/CS188171B2/en