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Kyowa Shokai Co., Ltd. Nagoya, Japan
- Kyowa Shokai Co., Ltd.. Archived from the original on 2011-06-11.
- Other JV Guitars History. Music-Trade.co.jp. Dai-show Corporation (2007).
— contains other Japanese Vintage guitar brands produced/distributed by Kyowa Shokai, including:
- Argus - hi-end brand, established in 1980, consulted by Shiino of Vestax, manufactured by Kurokumo.
- Gallan - 1st class brand, manufactured by Matsumoto Musical Instrument Union.
- Fresher - 2nd class brand, manufactured by Matsumoto Musical Instrument Union and Chushin Gakki.
- Camel - sister brand of Fresher.