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Shenzhen, CN
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last 30 patents
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Patent Grant
Method and system for implementing roam restriction
Patent number
7,817,999
Issue date
Oct 19, 2010
Huawei Technologies Co., Ltd.
Xinhong Tang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
OIL-SUBMERSIBLE LINEAR MOTOR
Publication number
20160105091
Publication date
Apr 14, 2016
SHENZHEN HAN'S MOTOR S&T CO., LTD
Guangneng Wang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Patent Application
OIL-SUBMERSIBLE LINEAR MOTOR OIL EXTRACTION SYSTEM
Publication number
20160102535
Publication date
Apr 14, 2016
SHENZHEN HAN'S MOTOR S&T CO., LTD
Guangneng Wang
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Patent Application
Method and system for implementing roam restriction
Publication number
20070060122
Publication date
Mar 15, 2007
Huawei Technologies Co., Ltd.
Xinhong Tang
H04 - ELECTRIC COMMUNICATION TECHNIQUE