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发明名称
ISDN TELEPHONE SYSTEM
摘要
申请公布号
JPH04180328(A)
申请公布日期
1992.06.26
申请号
JP19900309773
申请日期
1990.11.14
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
SHIOYAMA KENJI;ISAKA KIYOMI;YAMAMOTO GOJI
分类号
H04M1/00;H04M1/253;H04Q5/00
主分类号
H04M1/00
代理机构
代理人
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