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发明名称
Anlæg til registrering af lyttevaner eller fjernsynsvaner.
摘要
申请公布号
DK93359(C)
申请公布日期
1962.05.07
申请号
DK19560004028
申请日期
1956.11.16
申请人
A. C. NIELSEN COMPANY
发明人
分类号
H04H;(IPC1-7):H04H
主分类号
H04H
代理机构
代理人
主权项
地址
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