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经营范围
发明名称
Loop current detector
摘要
申请公布号
GB9508405(D0)
申请公布日期
1995.06.14
申请号
GB19950008405
申请日期
1995.04.25
申请人
MITEL CORPORATION
发明人
分类号
G01R19/15;H04M3/22
主分类号
G01R19/15
代理机构
代理人
主权项
地址
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