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经营范围
发明名称
LOUDSPEAKER TELEPHONE SET
摘要
申请公布号
JPH0422249(A)
申请公布日期
1992.01.27
申请号
JP19900127338
申请日期
1990.05.16
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
KADOTA TAKAO
分类号
H04M1/60
主分类号
H04M1/60
代理机构
代理人
主权项
地址
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