JianMei Wang

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Beijing City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Locking device for high-voltage switchgear
- Patent number 9,875,868
- Issue date Jan 23, 2018
- ABB Schweiz AG
- Daniel-Jun Cheng
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
LOCKING DEVICE FOR HIGH-VOLTAGE SWITCHGEAR
- Publication number 20170047179
- Publication date Feb 16, 2017
- ABB Schweiz AG
- Daniel-Jun Cheng
- H01 - BASIC ELECTRIC ELEMENTS