Hoon-Joon Yoo

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Kyunggi-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for grinding the screen panel of a cathode ray tube
- Patent number 5,679,054
- Issue date Oct 21, 1997
- Samsung Display Devices Co., Ltd.
- Hong-Seok Chun
- B24 - GRINDING POLISHING