Contextual Info: SK4393 REVISION RECORD ECO 1 9 6 8 1 DATE REV 7-8 w NC POSTIRONIC M D U SIR ES BELIEVES THE DATA ON THIS DRMVMG TO BE RELIABLE, SM C E THE TECHNICAL INFORMATION IS GNEN FREE OF CHARGE, THE USER EMPLOYS SUCH INFORMATION AT H B OWN DISCRETION AND R 6K. POSITRONIC M DUSTRES ASSUM FS NO