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经营范围
发明名称
CONSTANT VOLTAGE-CONSTANT FREQUENCY POWER UNIT
摘要
申请公布号
JPH01155412(A)
申请公布日期
1989.06.19
申请号
JP19870313853
申请日期
1987.12.11
申请人
HITACHI LTD
发明人
IWANAKA MITSUFUMI;KUNISADA HIDEAKI
分类号
G05F1/70
主分类号
G05F1/70
代理机构
代理人
主权项
地址
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