Yong Rok Heo

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Non-heat treated wire rod having excellent cold workability and man...
- Patent number 10,889,876
- Issue date Jan 12, 2021
- Posco
- Dong-Jun Mun
- C21 - METALLURGY OF IRON
Information Patent Grant
High efficiency apparatus for treating nitrogen and phosphorous con...
- Patent number 6,177,007
- Issue date Jan 23, 2001
- Daewoo Corporation
- Eui Shin Lee
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
NON-QUENCHED AND TEMPERED WIRE ROD HAVING EXCELLENT COLD WORKABILIT...
- Publication number 20180298464
- Publication date Oct 18, 2018
- Dong-Jun MUN
- C21 - METALLURGY OF IRON