Miao Yan

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Tianjin, CN

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Patents Grantslast 30 patents

Information Patent Grant
Sight glass applied in refrigeration system
- Patent number D606437
- Issue date Dec 22, 2009
- Danfoss Tianjin Ltd.
- Miao Yan
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Sight glass applied in refrigeration system
- Patent number D606438
- Issue date Dec 22, 2009
- Danfoss Tianjin Ltd.
- Miao Yan
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Sight glass applied in refrigeration system
- Patent number D606439
- Issue date Dec 22, 2009
- Danfoss Tianjin Ltd.
- Miao Yan
- D10 - Measuring, testing, or signalling instruments