board of trade in Kodaira

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Federal Bureau of Investigation

Shinjuku-ku, 169-0073 Shinjuku-ku, Japan

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Japan Institute of Labour

4 Chome−8−23, 177-0044 Nerima-ku, Japan

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Hitotsubashi University

Kunitachi-shi, 186-8601 Kunitachi-shi, Japan

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Japanese Union of Scientists and Engineers

２丁目７−1, 160-0023 新宿区, Japan