| 发明名称 |
Keyboard musical instrument and improved piano |
| 摘要 |
A keyboard musical instrument such as a piano of relatively large size and heavy construction can be separated into two casings, each of which fully contains respective coacting elements of the instrument, for easy and free transportation, storage and access from outside.
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| 申请公布号 |
US4130044(A) |
申请公布日期 |
1978.12.19 |
| 申请号 |
US19760722398 |
申请日期 |
1976.09.13 |
| 申请人 |
NIPPON GAKKI SEIZO KABUSHIKI KAISHA |
发明人 |
YAMADA, TAKASHI;KANEKO, YASUTOSHI;MURAKAMI, KAZUO |
| 分类号 |
G10C1/04;(IPC1-7):G10C3/02 |
主分类号 |
G10C1/04 |
| 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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