Sigismund Frenkenberger
Dipl.-Ing. Dr. techn.| Company: | Trenkwalder Personaldienste |
|---|---|
| E-Mail: | S.Frenkenberger@Trenkwalder.com |
| City, State: | Austria |
| Time Span: |
| Company: | Trenkwalder Personaldienste |
|---|---|
| E-Mail: | S.Frenkenberger@Trenkwalder.com |
| City, State: | Austria |
| Time Span: |