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Inventor
MA WEIJUN
CN
2 patents
Patents
2 patents
US7609831B2
Oct 27, 2009
Method for implementing wide area Centrex
HUAWEI TECH CO LTD
2 citations
52
US9485465B2
Nov 1, 2016
Picture control method, terminal, and video conferencing apparatus
HUAWEI TECH CO LTD
0 citations
31