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 Bedrich Ing Csc Porsch, Kahovec JaroslavfiledCriticalBedrich Ing Csc Porsch
Priority to CS86248ApriorityCriticalpatent/CS257525B1/en
Priority to US06/929,590prioritypatent/US4835269A/en
Priority to CA000522615Aprioritypatent/CA1259312A/en
Priority to GB08626802Aprioritypatent/GB2183238A/en
Priority to DE19863638482prioritypatent/DE3638482A1/en
Publication of CS24886A1publicationCriticalpatent/CS24886A1/en
Publication of CS257525B1publicationCriticalpatent/CS257525B1/en