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经营范围
发明名称
Low frequency discriminator circuit
摘要
申请公布号
GB2287594(B)
申请公布日期
1998.05.06
申请号
GB19950002920
申请日期
1995.02.15
申请人
* MITEL CORPORATION
发明人
PATRICK H * CASSELMAN
分类号
G01R23/09;G01R23/15;G01R31/28;H03K5/19;H04M1/82;H04M19/04;(IPC1-7):G01R23/09
主分类号
G01R23/09
代理机构
代理人
主权项
地址
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