Kazuyoshi Kobayashi

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Tokorozawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Molding compositions and diaphragms, arm pipes and head shells mold...
- Patent number 4,404,315
- Issue date Sep 13, 1983
- Pioneer Electronic Corporation
- Tsunehiro Tsukagoshi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS