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发明名称
DIGITAL MULTITONE GENERATOR
摘要
申请公布号
YU37419(B)
申请公布日期
1984.08.31
申请号
YU19760001473
申请日期
1976.06.16
申请人
A T & E SYSTEMS
发明人
LAKE D.W.
分类号
H03B28/00;H04L27/26;H04M1/50;H04Q7/16;(IPC1-7):H04M1/50
主分类号
H03B28/00
代理机构
代理人
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地址
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