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发明名称
Måle- og registreringsanlæg til brug ved måling og registrering af telefonsamtaleforbrug.
摘要
申请公布号
DK76062(C)
申请公布日期
1953.07.06
申请号
DK19490003999
申请日期
1949.11.29
申请人
HANS KRISTIAN HULVEJ
发明人
HANS KRISTIAN HULVEJ
分类号
主分类号
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