Hirofumi Otsuka
Japan
| Sport | Speed Skating | |
| NOC | Japan | |
| Born | 08 Oct 1947 | |
| Gender | Men |
| Championships results | Year | Competition | Event | Rank | ||
|---|---|---|---|---|---|---|
|
Championships results
|
||||||
| 1968 | Olympic Games | 10000m | 28 | |||
Japan| Sport | Speed Skating | |
| NOC | Japan | |
| Born | 08 Oct 1947 | |
| Gender | Men |
| Championships results | Year | Competition | Event | Rank | ||
|---|---|---|---|---|---|---|
|
Championships results
|
||||||
| 1968 | Olympic Games | 10000m | 28 | |||