Electrical tone source for musical instruments
申请公布号:US2756330(A)
申请号:US19500188990
申请日期:1950.10.07
申请公布日期:1956.07.24
发明人:KRAUSS SERGE L.;TENNES CHARLES J.
分类号:G10H1/02
主分类号:G10H1/02
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