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Chul Jong Jung
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Cheongju, KR
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Patents Grants
last 30 patents
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Patent Grant
Concrete-mortar transfer system of concrete pump car
Patent number
7,104,057
Issue date
Sep 12, 2006
DNS Co., Ltd.
Chul Jong Jung
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
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Patent Application
Concrete-mortar transfer system of concrete pump car
Publication number
20050232069
Publication date
Oct 20, 2005
DNS CO., LTD.
Chul Jong Jung
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...