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发明名称
AUTOMATIC VOICE CHANGEOVER DEVICE
摘要
申请公布号
JPH03149926(A)
申请公布日期
1991.06.26
申请号
JP19890288375
申请日期
1989.11.06
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
WAKABAYASHI SHUNICHI;SUGIMOTO AKIHISA
分类号
H04B14/04;H04B1/16
主分类号
H04B14/04
代理机构
代理人
主权项
地址
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