PIANO KEY
A piano key where a weight that is capable of being installed on a key body can be easily produced using an alternative material to lead, a harmful substance. This enables production costs to be reduced and desired touch weight appropriate for playing to be obtained. The piano key has a pivotable ke...
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Main Author | |
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Format | Patent |
Language | English French Japanese |
Published |
13.01.2005
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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