??? ??????? ?731?? ??????? ??? ??(軍刀)? ????(8? 14? ??). ??????? ?731?? ????? ???? ??? ??? ?? ?????? ??? ??? ????? ???? ???? ???? ??? ?? ?????.
2??, 731?? ? ????? ???? ????(大川福松)? ???? ?? ??? ???? ????? ??? ???? ??? ??????? ?731?? ????? ?? ???? ?? ?????. ? ??? ??? ????? ???. 70???, 731?? ?????? ??? ????? ?? ????? ???? 731?? ???? ??? ??(石井四郎)? ??? ??(佩刀)? ???? ?????? ??? ???????. 2007? 4?, ?? ????? ??? "??? ????" ??????? ???? ????? ???? ????? 731??? ????? ??? ????.
2015? ??, ???? ????? ? ??? ??????? ?731?? ?????? ????? ????? ??? ???? ??? ??? "??? ? ???"? ????(???).