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经营范围
发明名称
CHANNEL INDICATOR FOR TELEPHONE
摘要
申请公布号
JPS54148499(A)
申请公布日期
1979.11.20
申请号
JP19780057426
申请日期
1978.05.15
申请人
MEISEI ELECTRIC CO LTD
发明人
OOHARA TOORU
分类号
G09F13/04;H04M3/60;H04M3/64
主分类号
G09F13/04
代理机构
代理人
主权项
地址
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