Nippon Kogyo (File #177)
Nippon Aluminum Kogyo K.K. (File #200)
Nippon Tokushu Kagaku Kogyo (File #233)
Nippon Satetsu Kogyo K.K. (File #157)
Nippon Kogyo Shimbun
Taihei Kogyo K.K., Kogyo Kenkyujo (File #273)
Seika Kogyo K.K. (Sumitomo Kogyo) (File #215)
Kawaminami Kogyo (File #102)
Katakura Kogyo (File #101)
Riken Kogyo (File #171)
Nitto Kogyo (File #226)
Nippon Kogaku Kogyo K.K
Nippon Suiso Kogyo K.K
Nippon Kogaku Kogyo K.K
Nippon Kogaku Kogyo, Matsumoto
Nippon Kentetsu Kogyo, Tokyo
Nippon Kentetsu Kogyo, Funabashi
Azabu Kogyo K.K. (File #29)
Kamioka Kogyo K.K. (File #92)
Kanto Denki Kogyo (File #96)
Tohoku Kinzoku Kogyo (File #256)
Aichi Kagaku Kogyo (File #23)
Kosaka Dowa Kogyo (File #124)
Kyoto Kogyo Kenkyujo (File #130)
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Uploaded: 2020-12-17