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Area Telephony / Telephone set components

IEV ref 722-02-03

en
carbon (telephone) transmitter
carbon microphone
a telephone transmitter which depends for its operation on variations in contact resistance, between carbon granules

fr
microphone à charbon, m
microphone dont le fonctionnement repose sur la variation des résistances de contact entre des granules de charbon

ar
مرسل (هاتف) بمقاومة حبيبات الكربون

de
Kohlemikrofon, n

es
micrófono de carbón

fi
hiilimikrofoni

it
microfono a carbone

ko
탄소 전화 송화기
탄소 마이크로폰

ja
炭素式電話送信器

pl
mikrofon węglowy

pt
microfone de carvão

sv
kolkornsmikrofon

zh
炭精粒电话送话器

Publication date: 1992-11
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