Jiejun WANG

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Ningbo City, CN

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Patents Applicationslast 30 patents

Information Patent Application
ALARM SIGNAL OUTPUT APPARATUS, DETECTION ALARM DEVICE, AND DETECTIO...
- Publication number 20190164404
- Publication date May 30, 2019
- SITERWELL ELECTRONICS CO., LIMITED
- Jiejun WANG
- G08 - SIGNALLING
Information Patent Application
COMBINED FIXING APPARATUS AND ALARM DEVICE
- Publication number 20190162213
- Publication date May 30, 2019
- SITERWELL ELECTRONICS CO., LIMITED
- Jiejun WANG
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...