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DK478C
(da)
|
|
Ringformede Induktionsruller til Anvendelse i Telefoners Mikrofonledning.
|
|
GB189623393A
(en)
|
|
Improved Portable Telephone Apparatus.
|
|
ES19141A1
(es)
|
|
Micro-teléfono ambulante.
|
|
DK375C
(da)
|
|
Telefonforbindelsessystem.
|
|
GB189625170A
(en)
|
|
Loud-speaking Long-distance Telephone.
|
|
DK345C
(da)
|
|
Telefonindstillingssystem.
|
|
CH11707A
(fr)
|
|
Compteur-avertisseur de conversations téléphoniques Lebet
|
|
CA54132A
(en)
|
|
Telephone apparatus
|
|
CA53737A
(en)
|
|
Telephone apparatus
|
|
GB189607389A
(en)
|
|
Improvements in Telephone Transmitters.
|
|
GB189618785A
(en)
|
|
Improvements in Telephonic Apparatus.
|
|
GB189600964A
(en)
|
|
Improvements in Telephonic Apparatus.
|
|
GB189602581A
(en)
|
|
Improvements in Telephonic Apparatus.
|
|
GB189606579A
(en)
|
|
Improvements in Telephonic Apparatus.
|
|
GB189613250A
(en)
|
|
Improvements in Telephonic Apparatus.
|
|
CH15246A
(de)
|
|
Telephon
|
|
GB189623665A
(en)
|
|
Improvement in Telephone Transmitters.
|
|
DK4147C
(da)
|
|
Telefonsystem med tilhørende Apparat.
|
|
DK1223C
(da)
|
|
Mikrofon.
|
|
ES23112A1
(es)
|
|
Mejoras en instalaciones telefónicas.
|
|
DK552C
(da)
|
|
Anordning ved Telefoner til at angive Samtalers Varighed og Antal.
|
|
GB189614500A
(en)
|
|
An Improved Call Counter suitable for Telephone Exchanges.
|
|
GB189614613A
(en)
|
|
Improvements in Telephonic Transmitters.
|
|
GB189602107A
(en)
|
|
Improvements in Telephones.
|
|
GB189603627A
(en)
|
|
Improvements in Telephones.
|