Hisao Hara deceased

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late of Toyama, JP

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Patents Grantslast 30 patents

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Surface tension sulfuric acid composition
- Patent number 5,326,490
- Issue date Jul 5, 1994
- Kanto Kagaku Kabushiki Kaisha
- Kiyoto Mori
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...