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发明名称
GROUND FAULT/FAULT CONTACT DETECTING CIRCUIT
摘要
申请公布号
JPH04154360(A)
申请公布日期
1992.05.27
申请号
JP19900280180
申请日期
1990.10.18
申请人
FUJITSU LTD
发明人
YAMAMOTO YUZO
分类号
H04M19/00;H04Q3/42;H04Q3/72
主分类号
H04M19/00
代理机构
代理人
主权项
地址
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