Kabushki Kaisha Sankyo Seiki Seisakusho

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Information Patent Grant
Helical scan type rotary head drum unit
- Patent number 5,373,404
- Issue date Dec 13, 1994
- Kabushki Kaisha Sankyo Seiki Seisakusho
- Daiichirou Katou
- G11 - INFORMATION STORAGE

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