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发明名称
CALLING AND INTERCOUPLING ARRANGEMENT FOR TELECOMMUNICATION SYSTEMS
摘要
申请公布号
GB1509399(A)
申请公布日期
1978.05.04
申请号
GB19750043177
申请日期
1975.10.21
申请人
WISSING V
发明人
分类号
H04M13/00;(IPC1-7):H04M13/00
主分类号
H04M13/00
代理机构
代理人
主权项
地址
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