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Nittobo Asco Glass Fiber Co., Ltd.
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Chia-Yi Hsien, TW
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Patents Grants
last 30 patents
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Patent Grant
Twisting device with coaxial fiber cakes and dual oil rings
Patent number
6,499,284
Issue date
Dec 31, 2002
Nittobo Asco Glass Fiber Co., Ltd.
Bih-Cherng Chern
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING