EHC Black Wings Linz was created in 1992.
EHC Freiburg was created in 1984.
EHC München was created in 1998.
EHC Klostersee was created in 1957.
EHC Dortmund was created in 1996.
EHC Bregenzerwald was created in 1985.
EHC Chur was created in 1933.
EHC Basel was created in 1932.
EHC Wolfsburg was created in 1975.
EHC Lustenau was created in 1970.
EHC Hoensbroek was created on 1917-09-27.
The stamp "Ehc 925" on a ring typically indicates that the ring is made of sterling silver. "925" is a common marking for sterling silver, indicating that the metal is 92.5% pure silver, with the remaining 7.5% usually being another metal like copper. The "Ehc" portion of the stamp may refer to the manufacturer, designer, or origin of the ring, but without further context, it is difficult to determine its specific meaning.
It will reset itself after about 10 minutes. You just have to wait until you hear a click and the pass key light goes off. Be sure to clean the little metal strip on your key while you're waiting... EHC