Hirayama, Koichiro (JPN) JPN
Date of birth: 1946-09-09
 

Date Competition Style Age Group Weight Class Country Rank
1976-07-20 Olympic Games Greco-Roman Seniors 52.0 JPN 3.
1975-09-11 World Championship Greco-Roman Seniors 52.0 JPN 4.
1974-09-08 Asian Games Greco-Roman Seniors 52.0 JPN 1.
1973-09-11 World Championship Greco-Roman Seniors 52.0 JPN 6.
1972-09-05 Olympic Games Greco-Roman Seniors 52.0 JPN 2.

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