Kyouiku Haguruma Kogko Kabushiki-Kaisha

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Gears having a tooth-profile with a smaller relative of curvature a...
- Patent number 4,899,609
- Issue date Feb 13, 1990
- Kyouiku Haguruma Kogko Kabushiki-Kaisha
- Shigeyoshi Nagata
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

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