大日能率聯合會

  1. Manchukuo 1939 Productivity Convention Badge/満州能率大会章

    See also badge with a similar design https://asiamedals.info/threads/imperial-railway-association-1936-dairen-general-meeting-commemorative-badge.24377/ Suspension 満州能率大會 - Manchuria Productivity/Efficiency Convention In the center of the badge 能率 - Productivity/Efficiency Reverse of...
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