Key Yia Chang

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Kwangmyong, KR

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Patents Grantslast 30 patents

Information Patent Grant
Device for cutting a tape of a roll of tapes and opening an envelope
- Patent number 5,117,524
- Issue date Jun 2, 1992
- Hanseung Company, Ltd.
- Key Yia Chang
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES