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Siheung-si, KR
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Patents Grants
last 30 patents
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Patent Grant
Rotational force generating device using clock spring
Patent number
10,683,850
Issue date
Jun 16, 2020
GREENIMT. CO., LTD.
Bu Ja Kim
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Patents Applications
last 30 patents
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Patent Application
ROTATIONAL FORCE GENERATING DEVICE USING CLOCK SPRING
Publication number
20190093638
Publication date
Mar 28, 2019
GREENIMT. CO., LTD.
Bu Ja KIM
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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