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发明名称
ABSORBER CIRCUIT FOR FLYYBACK VOLTAGE OF TRUNK TALKING CIRCUIT
摘要
申请公布号
JPS544509(A)
申请公布日期
1979.01.13
申请号
JP19770069481
申请日期
1977.06.14
申请人
HITACHI LTD
发明人
HARADA SHINGO
分类号
H04Q3/42
主分类号
H04Q3/42
代理机构
代理人
主权项
地址
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