STN - Slovak standards

Magnetically controlled contacts. Terms and definitions

Available design: Print design

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

Available design: Print design

Apparatus for alphabetic telegraphy. Terms and definitions

Available design: Print design

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

Available design: Print design

Measurement apparatus. Artificial ear. Measurement methods and means

Available design: Print design

Measurement apparatus. Artificial line. Measurement methods and means

Available design: Print design

Measurement apparatus. Supply bridges. Measurement methods and means

Available design: Print design

Transmitter inserts and receiver inserts

Available design: Print design

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

Available design: Print design

Telephone sets for ships without battery. General requirements

Available design: Print design