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Hee Yoon CHUNG
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Changwon-si, KR
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Patents Grants
last 30 patents
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Patent Grant
Auxiliary power unit for reducing flow loss of gas
Patent number
11,365,651
Issue date
Jun 21, 2022
HANWHA AEROSPACE CO., LTD
Yong Sang Yoon
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Patents Applications
last 30 patents
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Patent Application
EXHAUST DUCT AND EXHAUST DUCT ASSEMBLY AND AIRCRAFT USING THE EXHAU...
Publication number
20210215121
Publication date
Jul 15, 2021
HANWHA AEROSPACE CO., LTD.
Young Jung JOO
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Patent Application
AUXILIARY POWER UNIT FOR REDUCING FLOW LOSS OF GAS
Publication number
20200182092
Publication date
Jun 11, 2020
HANWHA AEROSPACE CO., LTD.
Yong Sang YOON
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES