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发明名称
NOISE REDUCTION CIRCUIT FOR TELEPHONES
摘要
申请公布号
EP1190553(A4)
申请公布日期
2004.08.04
申请号
EP20000939329
申请日期
2000.05.24
申请人
ACOUSTIC TECHNOLOGIES, INC.
发明人
THOMASSON, SAMUEL, L.
分类号
H04M9/08;(IPC1-7):H04M1/00
主分类号
H04M9/08
代理机构
代理人
主权项
地址
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