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Mun-Hay Ngai
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Kowloon, HK
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last 30 patents
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Patent Grant
Record player
Patent number
4,347,595
Issue date
Aug 31, 1982
Mun-Hay Ngai
G11 - INFORMATION STORAGE
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Patent Grant
Record player
Patent number
4,118,037
Issue date
Oct 3, 1978
Mun-Hay Ngai
G11 - INFORMATION STORAGE