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Mar 2005 Utility Model Registration (No.0379271) Feb 2005 Utility Model Registration (No.0376368)
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Dec 2004 Acquired ISO9001-2001
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Oct 2003 Apply for a PCT (Worldwide Patent) (EU, US, CHINA, JAPAN, NORWAY) Aug 2003 PAT . NO. JP3464201 Jul 2003 Utility Model Registration (No.0330267)
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Aug 2001 Utility Model Registration (No.0282021) Jul 2001 Utility Model Registration (No.0235852) Jan 2001 Utility Model Registration (No.0217501)
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Nov 2000 Utility Model Registration (No.0211356) Oct 2000 Practical New design applied for the Power Drum Oct 2000 Company Name changed to GUMJOO Mariner Corporation May 2000 Utility Model Registration (No.0189437) Mar 2000 Utility Model Registration (No.0189436)
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Sep 1998 Established GUMJOO Jongkong Co.,Ltd.
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