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发明名称
Fremgangsmåte og anordning for telekommunikasjon
摘要
申请公布号
NO971988(A)
申请公布日期
1997.04.29
申请号
NO19970001988
申请日期
1997.04.29
申请人
GRATISTELEFON SVENSKA AB
发明人
ANDER, CARL
分类号
H04M3/42;H04M3/487;H04M3/58;H04M15/00;H04M15/02;(IPC1-7):H04M15/00;H04M3/54
主分类号
H04M3/42
代理机构
代理人
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