Yoshifumi Koyanagi

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Kashiwara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Valve structure
- Patent number 9,517,874
- Issue date Dec 13, 2016
- KASHIWARA SEITAI CO., LTD.
- Yoshifumi Koyanagi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL