Tohoku Kinzoku Kogyo (File #256)
Shinko Carbon Kogyo K.K. (File #238)
Fuso Kinzoku Kogyo K.K. (File #56)
Fukuoka-Ken Kinzoku Kogyo Shikenjo (File #52)
Shinko Kikai Kogyo, Honshu Kojo
Riken Kinzoku (File #170)
Tokushu Kinzoku (File #254)
Toa Kinzoku Kogyo K.K. - Haruki Plant
Sinko Kinzoku Kogyo K. Chofu Kojyo
Kisan Kinzoku Seirenjo (File #110)
Nippon Kinzoku Kagaku (File #214)
Taihei Kogyo K.K., Kogyo Kenkyujo (File #273)
Seika Kogyo K.K. (Sumitomo Kogyo) (File #215)
Kawaminami Kogyo (File #102)
Nippon Kogyo (File #177)
Katakura Kogyo (File #101)
Riken Kogyo (File #171)
Nitto Kogyo (File #226)
Inoue Kinzoku Kogyo K.K., Masuda Iron Works, Masui Denki K.K. - No. 1 Plant, Masuda Kinzoku Kogyo-sho
List of Authorized Use - Shinko Kikai Kogyo K.K
Shinko Denki K.K., Yamada Kojo (File #239)
Gifu-Ken Kinzoku Shikenjo (File #59)
Tohoku Kinzoku Kagaku Kenkyusho (File #257)
Azabu Kogyo K.K. (File #29)
Last Updated:
Uploaded: 2020-12-17