Nameplate:
D motor Nr.1336821
Type DE22 300/400Hz
165/200V 8.2/4,6 A
DB 0,74kW
17900/23800 U/min cos_0,7/0,67
LAUFER V LAUFER A
DAB50% ED 11kW


I want to repair these motor,but i don't know who was built it?!