Koichiro Hirayama (平山 紘一郎, Hirayama Kōichirō; born 9 September 1946) is a Japanese former wrestler who competed in the 1972 Summer Olympics and in the 1976 Summer Olympics.
Source: “Koichiro Hirayama”, English Wikipedia (CC BY-SA 4.0), excerpt
🎓 Toyo University🏫 Kagoshima Technical High School📅 Born September 9🎂 Born 1949📍 From Kagoshima, Kagoshima Prefecture💼 Wrestling
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