武器.

可靠性维修性保障性工程基础 = = Fundamentals of reliability & maintainability & supportability engineering / by: (Language materials, printed)

二次世界大戰的秘密武器 = The secret weapons in World War II / by: (Language materials, printed)

戰國武器甲冑事典 : = 一冊通曉戰術、時代背景 / by: (Language materials, printed)

戰國時代.

第二次世界大戰(1939-1945).

武器.

日本.