Koichiro Hirayama
Country: Unknow : Sep 9, 1946
: 1972, 1976
Koichiro Hirayama
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Koichiro Hirayama Olympics Milestones
| Season | Event | Rank |
|---|---|---|
| 1976 | Men 52kg | B |
| 1972 | Men 52kg | S |
Country: Unknow | Season | Event | Rank |
|---|---|---|
| 1976 | Men 52kg | B |
| 1972 | Men 52kg | S |
