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Hideyoshi Sangyō (秀好産業) was a Japanese company active in 1959, which distributed the Septon Pen, a combination of a subminiature camera and a propelling pencil.[1]

Notes[edit | edit source]

  1. Advertisement in Sankei Camera August 1959, reproduced in Kokusan kamera no rekishi, p.253.

Bibliography[edit | edit source]

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