Sang Bok An

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Pohang, KR

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Patents Grantslast 30 patents

Information Patent Grant
Molten steel smelting apparatus for producing ultra-low carbon steel
- Patent number 6,156,263
- Issue date Dec 5, 2000
- Pohang Iron & Steel Co., Ltd.
- Sang Bok An
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITION FOR CLEANING MASK AND METHOD FOR CLEANING MASK USING TH...
- Publication number 20200017978
- Publication date Jan 16, 2020
- SOULBRAIN CO., LTD
- Gil Ho LEE
- B08 - CLEANING