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Sunny JI
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Xiamen, CN
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Patents Grants
last 30 patents
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Patent Grant
Metal earpad
Patent number
9,414,966
Issue date
Aug 16, 2016
GN Netcom A/S
Sunny Ji
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
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Patent Application
METAL EARPAD
Publication number
20150358712
Publication date
Dec 10, 2015
GN Netcom A/S
Sunny JI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE