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.)
Plattfoeraangare daer aatminstone den ena plattan i en foeraangningspassage aer uppdelad i faelt anordnade bredvid varandra mellan plattans laangsidor, vilka faelt uppvisar sinsemellan olika korrugeringsmoenster saa att stroemningsmotstaandet successivt minskar fraan ena sidan till den andra