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发明名称
ELECTROSTATIC LOUDSPEAKERS
摘要
申请公布号
CA661270(A)
申请公布日期
1963.04.16
申请号
CAD661270
申请日期
申请人
FERRANTI LIMITED;PETER J. WALKER
发明人
PETER J. WALKER;DAVID T. N. WILLIAMSON
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主分类号
代理机构
代理人
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