Chen-Chang Chang

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Chutung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Pretreatment system and method for recycling exhaust water
- Patent number 6,387,275
- Issue date May 14, 2002
- Industrial Technology Research Institute
- Chen-Chang Chang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Pretreatment system and method for recycling exhaust water
- Patent number 6,245,226
- Issue date Jun 12, 2001
- Industrial Technology Research Institute
- Chen-Chang Chang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE