Legal status (The legal status 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 status listed.)
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 filedfiledCritical
Priority to JP7848375UpriorityCriticalpatent/JPS51157512U/ja
Priority to NO76761935Aprioritypatent/NO148903C/no
Priority to US05/694,259prioritypatent/US4087083A/en
Priority to DE19762626071prioritypatent/DE2626071A1/de
Priority to ES76448745Aprioritypatent/ES448745A1/es
Publication of JPS51157512UpublicationCriticalpatent/JPS51157512U/ja