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经营范围
发明名称
VOLTAGE SWITCH CIRCUIT
摘要
申请公布号
JPS53145503(A)
申请公布日期
1978.12.18
申请号
JP19770059764
申请日期
1977.05.25
申请人
HITACHI LTD
发明人
IENAKA MASANORI
分类号
H04H40/81
主分类号
H04H40/81
代理机构
代理人
主权项
地址
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