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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

申请人:
C. G. CONN LTD.

发明人:KRAUSS SERGE L.;TENNES CHARLES J.

分类号:G10H1/02

主分类号:G10H1/02

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