Kanji Fujimori

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Kudamatsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of and apparatus for producing superpure nitrogen
- Patent number 5,122,175
- Issue date Jun 16, 1992
- Hitachi, Ltd.
- Shozi Koyama
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...