Nippon Kogaku Kogyo K.K
Nippon Kogaku Kogyo, Matsumoto
Nippon Kogaku K.K., Shiojiri
Nippon Kogaku Kogyo, Oi Plant
Nippon Suiso Kogyo K.K
Fushimi Factory (Osaka Military Arsenal), Dai Nippon Yoshi K.K., Dai Nippon Kogyo K.K., Dai Nippon Kikai Kogyo K.K
List of Authorized Use - Oi Plant, Nippon Kogaku Kogyo K.K. (Japan Optical Industry Co., Ltd.)
Nippon Aluminum Kogyo K.K. (File #200)
Nippon Kagaku Kogyo K.K., 2nd Plant
Nippon Satetsu Kogyo K.K. (File #157)
Mishima Mokuzai K.K., Daito Yoko, Nippon Jimuyohin Seizo K.K., Hayakawa Denki Kogyo K.K. - Tanabe Plant
Nippon Kogaku, Oi Plant
Japan Optical, Nippon Kogaku
Marugo Tabi Kogyo-sho, Bizen Kogyo - Kamifuku Kojyo, Nippon Rice-Bran Oil Manufacturing Co., Nippon Iryo Seihin Tosei K.K
Chuo Kogyo K.K
Sanki Kogyo K.K
Gunze Kogyo K.K
Otori Kogyo K.K
Fuji Kogyo K.K
Fuji Kogyo K.K
Nikkoku Kogyo K.K
Yokohama Kogyo K.K
Nikko Kogyo K.K
Nikko Kogyo K.K
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Uploaded: 2020-12-17