STN - Slovenské národní normy

Magnetically controlled contacts. Terms and definitions

Dostupné prevedenie: Tlačené

Signalling system of type D for the secondary telegraph network VAKSS. Technical requirements

Dostupné prevedenie: Tlačené

Apparatus for alphabetic telegraphy. Terms and definitions

Dostupné prevedenie: Tlačené

Telephone sets for general use. Main features. Technical requirements. Methods of testing and measurement

Dostupné prevedenie: Tlačené

Measurement apparatus. Artificial ear. Measurement methods and means

Dostupné prevedenie: Tlačené

Measurement apparatus. Artificial line. Measurement methods and means

Dostupné prevedenie: Tlačené

Measurement apparatus. Supply bridges. Measurement methods and means

Dostupné prevedenie: Tlačené

Transmitter inserts and receiver inserts

Dostupné prevedenie: Tlačené

Telephone sets with amplification of receiving. Main features. Technical requirements. Methods of testing and measurement

Dostupné prevedenie: Tlačené

Telephone sets for ships without battery. General requirements

Dostupné prevedenie: Tlačené