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发明名称
IMPROVEMENTS IN REDUCED-SIZE KEYBOARDS
摘要
<p>In a reduced-size keyboard in a keyboard instrument, at least one apex of an angle in at least one key or bracing member is disposed at a different longitudinal position than any other apex in any key or bracing member.</p>
申请公布号
WO2001018782(A1)
申请公布日期
2001.03.15
申请号
US2000020170
申请日期
2000.07.25
申请人
发明人
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