UNE - Spanish national standards

DETERMINATION OF HYDROGEN IN DEPOSITED WELD METAL ARISING FROM THE USE OF COVERED ELECTRODES FOR WELDING MILD AND LOW ALLOY STEELS.

Available languages: Spanish

Available design: electronic design (pdf), Print design

Water Quality - Guidance standard for assessing the hydromorphological features of rivers

Available languages: English, Spanish

Available design: electronic design (pdf), Print design

Aggregates for ballast.

Available languages: Spanish

Available design: electronic design (pdf), Print design

Aggregates for railway ballast. Additionals specifications.

Available languages: Spanish

Available design: electronic design (pdf), Print design

Aggregates for railway ballast. Additionals test.

Available languages: Spanish

Available design: electronic design (pdf), Print design

COVERED ELECTRODES FOR MANUAL METAL ARC WELDING. DEPOSITION OF A WELD METAL PAD FOR CHEMICAL ANALYSIS.

Available languages: Spanish

Available design: electronic design (pdf), Print design

EXECUTION OF A WELD METAL PAD DEPOSITION BY MANUAL ARC WELDING FOR CHEMICAL ANALYSIS. PART 2: CORED RODS AND CORED WIRES.

Available languages: Spanish

Available design: electronic design (pdf), Print design

METODO DE OBTENCION DE MUESTRAS PARA EL ANALISIS QUIMICO DEL METAL APORTADO POR SOLDEO MANUAL CON ELECTRODOS REVESTIDOS

Available languages: Spanish

Available design: electronic design (pdf), Print design

Postal services - Digital postage marks - Applications, security and design

Available languages: Spanish

Available design: electronic design (pdf), Print design

DETERMINATION OF HIDROGEN IN WELD METAL BY PLUNGED ARC IN WELDING MILD AND LOW ALLOY STEELS.

Available languages: Spanish

Available design: electronic design (pdf), Print design