Ruibing CHEN

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Fujian, CN

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Patents Grantslast 30 patents

Information Patent Grant
Key management method and system
- Patent number 9,705,672
- Issue date Jul 11, 2017
- Fujian LANDI Commercial Equipment Co., Ltd
- Wenlong Su
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
KEY MANAGEMENT METHOD AND SYSTEM
- Publication number 20160028539
- Publication date Jan 28, 2016
- FUJIAN LANDI COMMERCIAL EQUIPMENT CO., LTD.
- Wenlong SU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE