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经营范围
发明名称
PARTY LINE TELEPHONE SYSTEM
摘要
申请公布号
JPS5335306(A)
申请公布日期
1978.04.01
申请号
JP19760109556
申请日期
1976.09.13
申请人
MEISEI ELECTRIC CO LTD
发明人
NARITA KUNITOSHI
分类号
H04Q3/58;H04M1/72;H04Q3/62;H04Q5/00
主分类号
H04Q3/58
代理机构
代理人
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