Doo Whan Sang

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for controlling speed of a washing machine motor
- Patent number 5,682,634
- Issue date Nov 4, 1997
- Goldstar Co., Ltd.
- Dal Ho Cheong
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...