Shigeru Ito

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical fiber drawing apparatus
- Patent number 4,892,572
- Issue date Jan 9, 1990
- Sumitomo Electric Industries, Ltd.
- Katsuyuki Tsuneishi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL