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发明名称
摘要
申请公布号
JPH0379934(B2)
申请公布日期
1991.12.20
申请号
JP19860281796
申请日期
1986.11.28
申请人
HITACHI SEISAKUSHO KK;KANSAI DENRYOKU KK
发明人
FURUKAWA YOSHIO;HARAGUCHI EIJI;NAKAGAWA HIROTO;OONO YASUTERU
分类号
G01R31/02;H02H3/17;H02H6/00;H02H7/06;H02H7/08
主分类号
G01R31/02
代理机构
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