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发明名称
COMMUNICATION METHOD USING TELEPHONE LINE
摘要
申请公布号
JPH02244860(A)
申请公布日期
1990.09.28
申请号
JP19890065297
申请日期
1989.03.16
申请人
SHARP CORP
发明人
FUKUDA TAMOTSU
分类号
H04N1/32;H04M1/66;H04M1/673;H04M11/00
主分类号
H04N1/32
代理机构
代理人
主权项
地址
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