Yanzeng Zhou

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Zhoucun, CN

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Patents Grantslast 30 patents

Information Patent Grant
Hot plate with shaped double walled electric heating element to pro...
- Patent number 5,422,459
- Issue date Jun 6, 1995
- Zibo Electrothermal Appliances Factory
- Yanzeng Zhou
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR