Toshiaki Kuroha

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Ichihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of fabricating optical glass base material and apparatus for...
- Patent number 4,552,576
- Issue date Nov 12, 1985
- The Furukawa Electric Co., Ltd.
- Ryoichi Hara
- C03 - GLASS MINERAL OR SLAG WOOL