Hiroshi Asai

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Higashiosaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water treatment agent and water treatment method for a boiler
- Patent number 5,169,563
- Issue date Dec 8, 1992
- Katayama Chemical Inc.
- Sakae Katayama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...