28,830. Glaesel, E. Dec. 30. Banjoes, guitars, mandolins, and like instruments.-A soundboard a, made of wood or other substance strengthened by cross-strips c, and provided, if necessary, with a sound hole b, is carried in a fillet which runs round the inside of the body of the instrument, and is connected with the belly by vertical fillets. Any number of such soundboards may be used.
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机译：28,830。 E. Glaesel，12月30日。班卓琴，吉他，曼陀铃和类似乐器。-音板a，该音板由木头或其他材料制成，并由交叉带c加固，并在必要时提供音孔b。圆角，圆角环绕仪器的内部，并通过垂直圆角与腹部连接。可以使用任何数量的这种音板。
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