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 Krueger As IfiledCriticalKrueger As I
Priority to DK140967ApriorityCriticalpatent/DK119398B/da
Priority to SE313768Aprioritypatent/SE344581B/xx
Priority to GB1213868Aprioritypatent/GB1214677A/en
Priority to DE19681708600prioritypatent/DE1708600A1/de
Priority to NO1009/68Aprioritypatent/NO120177B/no
Priority to US3468795Dprioritypatent/US3468795A/en
Priority to CH393968Aprioritypatent/CH476646A/de
Publication of DK119398BpublicationCriticalpatent/DK119398B/da
Application grantedgrantedCritical
Publication of DK119398CpublicationCriticalpatent/DK119398C/da