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
Priority claimed from SE8600190Aexternal-prioritypatent/SE8600190L/xx
Priority claimed from SE8602244Aexternal-prioritypatent/SE8602244L/xx
Priority claimed from PCT/SE1987/000013external-prioritypatent/WO1987004498A1/en
Application filed by Bjooern OlofssonfiledCriticalBjooern Olofsson
Publication of NO873857LpublicationCriticalpatent/NO873857L/no
Publication of NO873857D0publicationCriticalpatent/NO873857D0/no
Priority to NO893055ApriorityCriticalpatent/NO893055D0/no
Pumpanordning, speciellt for att pumpa vatten ur djupa brunnar, med en matarpumpenhet och en uppfordringspumpenhet, som innefattar hoptryckbara och expanderbara kammare, vilka tillsammans med en hydraulledning bildar et