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发明名称
STYREENHED OG FREMGANGSMAADE TIL UDSENDELSE AF MULTIFREKVENSSIGNAL FOR TRAADLOEST TELEFONSYSTEM
摘要
申请公布号
DK166934(B1)
申请公布日期
1993.08.02
申请号
DK19860001057
申请日期
1986.03.07
申请人
NEC CORPORATION
发明人
MAKINO, MASAYUKI
分类号
H04Q7/38;H04B7/26;H04M1/725;H04Q7/22;H04Q7/24;H04Q7/26;H04Q7/30;(IPC1-7):H04M1/72
主分类号
H04Q7/38
代理机构
代理人
主权项
地址
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