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Patents

Patent records that demonstrate Changjo Eng's technical competitiveness.

PATENT ARCHIVE

Patents Held by Changjo Eng

Registered patents from Changjo Eng, reflecting our ongoing advances in pollution control facility design and treatment technology. Use the left/right buttons or the list below to view them one at a time.

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REGISTERED PATENT

Harmful Gas Purification Device

Registration No.
Patent No. 10-1913946
Registration Date
Oct. 25, 2018
Patent Holder
Changjo Eng Co., Ltd.