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发明名称
ELECTRONIC TWO-PARTY LINE
摘要
申请公布号
CS252358(B1)
申请公布日期
1987.08.13
申请号
CS19840005093
申请日期
1984.07.02
申请人
HUNA,RUDOLF,CS;PONEVAC,ROMAN,CS;OGROCKI,PETR,CS
发明人
HUNA,RUDOLF,CS;PONEVAC,ROMAN,CS;OGROCKI,PETR,CS
分类号
H04M3/56;(IPC1-7):H04M3/56
主分类号
H04M3/56
代理机构
代理人
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地址
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