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Guangzhou City, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Dual-frequency multiplexer
Patent number
8,306,067
Issue date
Nov 6, 2012
Comba Telecom System (China) Ltd.
Yingjie Di
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ultra wide-band dual-frequency combiner
Patent number
8,299,872
Issue date
Oct 30, 2012
Comba Telecom System (China) Ltd.
Yingjie Di
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
DOUBLE FREQUENCY COMBINER
Publication number
20100278197
Publication date
Nov 4, 2010
COMBA TELECOM SYSTEM (CHINA) LTD.
Yingjie Di
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ULTRA WIDE-BAND DUAL-FREQUENCY COMBINER
Publication number
20100244982
Publication date
Sep 30, 2010
COMBA TELECOM SYSTEM (CHINA) LTD.
Yingjie Di
H01 - BASIC ELECTRIC ELEMENTS