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 Miloslav Jiskra, Miroslav BoucekfiledCriticalMiloslav Jiskra
Priority to CS646272ApriorityCriticalpatent/CS167563B1/en
Priority to CH1268973Aprioritypatent/CH572530A5/xx
Priority to IT2861873Aprioritypatent/IT1003136B/en
Priority to DD17332273Aprioritypatent/DD106871A5/xx
Priority to GB4255873Aprioritypatent/GB1408223A/en
Priority to DE19732347058prioritypatent/DE2347058C3/en
Priority to FR7333982Aprioritypatent/FR2200383B1/fr
Priority to JP10743873Aprioritypatent/JPS5551044B2/ja
Publication of CS167563B1publicationCriticalpatent/CS167563B1/en