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发明名称
LOUD SPEAKER TELEPHONE SYSTEM CIRCUIT
摘要
申请公布号
JPH0556132(A)
申请公布日期
1993.03.05
申请号
JP19910215733
申请日期
1991.08.28
申请人
FUJITSU LTD;FUJITSU EE C S KK
发明人
IGUCHI MASAYA
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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