Sakae Katano

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Ichihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for fabricating optical fiber preform
- Patent number 4,813,989
- Issue date Mar 21, 1989
- The Furukawa Electroic Co., Ltd.
- Nobuhito Uchiyama
- C03 - GLASS MINERAL OR SLAG WOOL