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发明名称
TELEPHONE CIRCUIT ARRANGEMENT
摘要
申请公布号
PL343983(A1)
申请公布日期
2002.06.03
申请号
PL20000343983
申请日期
2000.11.20
申请人
CHYRA MACIEJ;GRAMBERG MAREK
发明人
CHYRA MACIEJ;GRAMBERG MAREK
分类号
H04L12/18;H04M3/56;(IPC1-7):H04M3/56
主分类号
H04L12/18
代理机构
代理人
主权项
地址
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