发明名称 |
Upright piano |
摘要 |
In construction of a keyboard unit accommodable upright piano, a vertically turnable keyboard is held by a holder unit so that the keyboard unit can be stably held in a horizontal position at one state of the holder unit and easily be accommodated in the main casing at the other state of the holder unit.
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申请公布号 |
US4641565(A) |
申请公布日期 |
1987.02.10 |
申请号 |
US19850728781 |
申请日期 |
1985.04.30 |
申请人 |
NIPPON GAKKI SEIZO KABUSHIKI KAISHA |
发明人 |
TACHIDA, HIROKI;SATO, TAKANE;SATO, SHIGEAKI |
分类号 |
G10C1/02;(IPC1-7):G10C3/12 |
主分类号 |
G10C1/02 |
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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