发明名称 |
Upright piano with sound transmission panels - mounted on front frame and have rectangular section opening filled with metallic or fabric mesh |
摘要 |
<p>Sound quality of an upright piano is enhanced by panels of sound transmitting material located in the front facia. The main frame (1) carries the mechanism (5) and the string assembly (3). The keyboard (6) is supported centrally on the main frame. The front plate has a number of rectangular section openings (2) that have either metallic or fabric mesh panels allowing sound transmission.</p> |
申请公布号 |
DE2752890(A1) |
申请公布日期 |
1979.05.31 |
申请号 |
DE19772752890 |
申请日期 |
1977.11.26 |
申请人 |
FRANZMANN,RAINER |
发明人 |
FRANZMANN,RAINER |
分类号 |
G10C3/02;(IPC1-7):10C3/04 |
主分类号 |
G10C3/02 |
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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