HARMONIC FACTOR TESTING APPARATUS FOR INTELLIGENCE-POWER TELEPHONE

The utility model relates to an intellectualized harmonic factor testing apparatus for electrically powered telephone, which is a multifunctional intellectualized apparatus controlled by a microcomputer. The utility model is composed of a microcomputer, a telephone harmonic factor testing apparatus,...

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Bibliographic Details
Main Author WU NAILING
Format Patent
LanguageEnglish
Published 30.12.1992
Edition5
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TELEPHONIC COMMUNICATION
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