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发明名称
EARTH LEAKAGE SENSITIVITY MEASURING METHOD FOR EARTH LEAKAGE ALARM DEVICE
摘要
申请公布号
JPH05225891(A)
申请公布日期
1993.09.03
申请号
JP19920061110
申请日期
1992.02.17
申请人
KAWAMURA DENKI SANGYO KK
发明人
TSUTSUMI MANABU
分类号
G01R31/02;H01H83/04;H02H3/347
主分类号
G01R31/02
代理机构
代理人
主权项
地址
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