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发明名称
Selective signaling device
摘要
申请公布号
US3012226(A)
申请公布日期
1961.12.05
申请号
US19560622126
申请日期
1956.11.14
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
ABBOTT HENRY H.
分类号
G11C19/04;H03K23/76;H04W88/02
主分类号
G11C19/04
代理机构
代理人
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地址
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