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发明名称
TRANSMITTING-RECEIVING ASSEMBLY OF ULTRASONIC LINE OF TRANSMISSION OF INFORMATION
摘要
申请公布号
PL138789(B1)
申请公布日期
1986.10.31
申请号
PL19820236299
申请日期
1982.05.05
申请人
发明人
分类号
H04B;H04B11/00;(IPC1-7):H04B11/00
主分类号
H04B
代理机构
代理人
主权项
地址
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