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Gyu Lak Han
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Yongin-si, KR
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Patents Grants
last 30 patents
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Patent Grant
Music box device
Patent number
10,600,396
Issue date
Mar 24, 2020
Gyu Lak Han
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Patent Grant
Vibration plate for music box and preparation method thereof
Patent number
8,847,049
Issue date
Sep 30, 2014
Gyu Lak Han
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Patents Applications
last 30 patents
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Patent Application
MUSIC BOX DEVICE
Publication number
20190266985
Publication date
Aug 29, 2019
Gyu Lak HAN
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
VIBRATION PLATE FOR MUSIC BOX AND PREPARATION METHOD THEREOF
Publication number
20130312583
Publication date
Nov 28, 2013
Gyu Lak Han
G10 - MUSICAL INSTRUMENTS ACOUSTICS