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UNE 36323-1:1992 STEEL AND CAST IRON. DETERMINATIO OF VANADIUM CONTENT. POTENTIOMETRIC TITRATION METHOD.
UNE 36451:1992 ULTRASONIC TESTING OF BROAD FLANGE BEAMS, WITH PARALLEL FLANGES AND IPE BEAMS.
UNE 21302-722:1992 ELECTROTECHNICAL VOCABULARY. TELEPHONY.
UNE 26417-3:1992 INTERNAL COMBUSTION ENGINES. PISTON RINGS. PART 3: MATERIAL SPECIFICATIONS.
UNE 21302-881:1992 ELECTROTECHNICAL VOCABULARY. RADIOLOGY AND RADIOLOGICAL PHYSICS.
UNE 21302-421:1992 ELECTROTECHNICAL VOCABULARY. POWER TRANSFORMERS AND REACTORS.
UNE 21302-721:1992 ELECTROTECHNICAL VOCABULARY. TELEGRAPHY, FACSIMILE AND DATA COMMUNICATION.
UNE 21302-702:1992 ELECTROTECHNICAL VOCABULARY. OSCILLATIONS, SIGNALS AND RELATED DEVICES.
UNE 21302-704:1992 ELECTROTECHNICAL VOCABULARY. TRANSMISSION.
UNE 21302-561:1992 ELECTROTECHNICAL VOCABULARY. PIEZOELECTRIC DEVICES FOR FREQUENCY CONTROL AND SELECTION.
UNE 100710:1992 AIR DISTRIBUTION AND AIR DIFFUSION. LABORATORY AERODYNAMIC TESTING AND RATING OF AIR TERMINAL DEVICES.