| Bundesliga 1964/1965 - Appearances as Referee |  |
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| 09/01/1965 | Hannover 96 | - | Hamburger SV | 1:2 | - | - | - |
| 23/01/1965 | Karlsruher SC | - | Werder Bremen | 0:2 | - | - | - |
| Bundesliga 1964/1965 - Appearances as Referee | |
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|
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| 09/01/1965 | Hannover 96 | - | Hamburger SV | 1:2 | - | - | - |
| 23/01/1965 | Karlsruher SC | - | Werder Bremen | 0:2 | - | - | - |
| Complete name: | Otto Tremmel |
| Born: | 10/07/1927 |
| Place of birth: |
Germany |
| Residence: | Germersheim |
| Nationality: |
Germany |
| Bundesliga (GER) appearances: | 2 |