发明名称 |
PIANO ACTION |
摘要 |
|
申请公布号 |
GB8830180(D0) |
申请公布日期 |
1989.02.22 |
申请号 |
GB19880030180 |
申请日期 |
1988.12.23 |
申请人 |
RICHMOND, BASIL |
发明人 |
|
分类号 |
G10C3/16 |
主分类号 |
G10C3/16 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|
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