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发明名称
CALL REGISTRATION.
摘要
申请公布号
IE22683(L)
申请公布日期
1958.01.04
申请号
IE19570000331
申请日期
1957.06.17
申请人
STANDARD TELEPHONES AND CABLES LTD.
发明人
分类号
H04M15/38;(IPC1-7):H04M15/38
主分类号
H04M15/38
代理机构
代理人
主权项
地址
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