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经营范围
发明名称
Offhook detector for automatic meter reading equipment
摘要
申请公布号
GB9410827(D0)
申请公布日期
1994.07.20
申请号
GB19940010827
申请日期
1994.05.31
申请人
BADGER METER INC.
发明人
分类号
H04M1/82
主分类号
H04M1/82
代理机构
代理人
主权项
地址
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