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经营范围
发明名称
TESTING COMMUNICATIONS SYSTEMS
摘要
申请公布号
GB8816518(D0)
申请公布日期
1988.08.17
申请号
GB19880016518
申请日期
1988.07.12
申请人
KREBS, P E
发明人
分类号
H04M3/30
主分类号
H04M3/30
代理机构
代理人
主权项
地址
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