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经营范围
发明名称
TELEPHONE SUBSET WITH RESISTIVE HYBRID NETWORK
摘要
申请公布号
GB1212752(A)
申请公布日期
1970.11.18
申请号
GB19680020879
申请日期
1968.05.02
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
分类号
H04M1/58
主分类号
H04M1/58
代理机构
代理人
主权项
地址
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