Thanks for the confirmation on year & month. Tryck gave me a clue which leads me to think that HTT is "H?g tjänst tryck" or high service pressure. Only "KTTA" to go!
I hope someone out there has knowledge of Swedish pressure vessels. I have just inspected a small air receiver with a very faded printed & stamped aluminium specification plate. From the little I can read (shown "****" below), I think it originated in Sweden.
"Ar" - Year? "73"
"Ma" - Month? "5"...
MS Excel is limited to 3 or 4 conditions for it's conditional format function. I have tried a free down load add on which is supposed to extend the number of possible conditions but it failed to work correctly. Does any one know of a download that works or a simple way of increasing the number...
