| 发明名称 |
KEYBOARD |
| 摘要 |
<p>A keyboard for a musical instrument is composed of a resin composition, having a durometer hardness of 82 or larger, and the composition comprises a cellulose derivative resin and a silica having 3.0 or less silanol groups in the area of 100 square angstrom and a BET specific surface area of 10 to 210 m2/g. It may comprises a substrate and the keyboard.</p> |
| 申请公布号 |
JPS63213892(A) |
申请公布日期 |
1988.09.06 |
| 申请号 |
JP19870047998 |
申请日期 |
1987.03.03 |
| 申请人 |
KAWAI MUSICAL INSTR MFG CO LTD;ART PLUS:KK |
发明人 |
ISHIDA MUNEO;YAMASHITA MITSUO;ONISHI MASAYA;TANAKA MASAHIRO |
| 分类号 |
C08L1/00;C08K3/36;G10B3/12;G10C3/12 |
主分类号 |
C08L1/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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