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发明名称
Methode und System zur Erfassung der Verbrauchsgewohnheiten einer Testbevölkerung.
摘要
申请公布号
DE68912301(D1)
申请公布日期
1994.02.24
申请号
DE19896012301
申请日期
1989.02.15
申请人
SRG SCHWEIZERISCHE RADIO- UND FERNSEHGESELLSCHAFT, BERN, CH
发明人
STEINMANN, MATHIAS, CH-3510 KONOLFINGEN, CH
分类号
H04H20/28;H04H60/43;H04H60/44;H04H60/66;H04N;H04N5/76;H04N5/765;(IPC1-7):H04H9/00
主分类号
H04H20/28
代理机构
代理人
主权项
地址
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