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发明名称
Electro-mechanical sound amplifier
摘要
申请公布号
IN182112(B)
申请公布日期
1999.01.02
申请号
IN1994BO41719
申请日期
1994.08.30
申请人
SANDHU SURENDRA JEET SINGH
发明人
SANDHU SURENDRA JEET SINGH
分类号
H03F13/00;(IPC1-7):H03F13/00
主分类号
H03F13/00
代理机构
代理人
主权项
地址
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