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发明名称
DEVICE FOR REPRODUCING POLARITY-MODULATED SIGNALS
摘要
申请公布号
SU1730731(A1)
申请公布日期
1992.04.30
申请号
SU19904809163
申请日期
1990.04.02
申请人
LE ELEKTROTEKH INST
发明人
ZHMURIN PETR M,SU
分类号
H04H20/47
主分类号
H04H20/47
代理机构
代理人
主权项
地址
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