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UNE - Spanish national standards
Page 1325
UNE 20502-14:1985 (15/06/1985)
Sound system equipment. Part 14: Circular and elliptical loudspeakers; outer frame diameters and mounting dimensions
Available languages: Spanish
Available design: electronic design (pdf), Print design
from 40.20 EUR more info
UNE 20502-2:1993 (29/12/1993)
SOUND SYSTEM EQUIPMENT. PART 2: EXPLANATION OF GENERAL TERMS AND CALCULATION METHODS.
Available languages: Spanish
Available design: electronic design (pdf), Print design
from 63.70 EUR more info
UNE 20502-6:1976 (15/08/1976)
SOUND SYSTEM EQUIPMENT. AUXILIARY PASSIVE ELEMENTS
Available languages: Spanish
Available design: electronic design (pdf), Print design
from 69.60 EUR more info
UNE 20502-8:1976 (15/01/1976)
SOUND SYSTEM EQUIPMENT. AUTOMATIC GAIN CONTROL DEVICES
Available languages: Spanish
Available design: electronic design (pdf), Print design
from 50.00 EUR more info
UNE-EN ISO 20502:2016 (01/06/2016)
Fine ceramics (advanced ceramics, advanced technical ceramics) - Determination of adhesion of ceramic coatings by scratch testing (ISO 20502:2005 including Cor 1:2009) (Endorsed by AENOR in June of 2016.)
Available languages: English
Available design: electronic design (pdf), Print design
from 80.40 EUR more info
UNE-EN ISO 20504:2022 (01/01/2023)
Fine ceramics (advanced ceramics, advanced technical ceramics) - Mechanical properties of ceramic composites at room temperature - Determination of compressive properties (ISO 20504:2022) (Endorsed by Asociación Espanola de Normalización in January of 2023.)
Available languages: English
Available design: electronic design (pdf), Print design
from 66.60 EUR more info
UNE-EN ISO 20505:2025 (01/04/2025)
Fine ceramics (advanced ceramics, advanced technical ceramics) - Mechanical properties of ceramic composites at room temperature - Determination of the interlaminar shear strength and shear modulus of continuous-fibre-reinforced composites by the compression of double-notched test pieces and by the Iosipescu test (ISO 20505:2023) (Endorsed by Asociación Espanola de Normalización in April of 2025.)
Available languages: English
Available design: electronic design (pdf), Print design
from 70.60 EUR more info
UNE 20509-1:1985 (15/12/1985)
Radio interference characteristics of overhead power lines and high-voltage equipment. Part 1: Description of phenomena
Available languages: Spanish
Available design: electronic design (pdf), Print design
from 112.70 EUR more info
UNE 20509-2:1990 (13/12/1990)
Radio interference characteristics of overhead power lines and high-voltage equipment. Part 2: Methods of measurement and procedure for determining limits
Available languages: Spanish
Available design: electronic design (pdf), Print design
from 89.20 EUR more info
UNE 20509-3:1990 (10/12/1990)
Radio interference characteristics of overhead power lines and high-voltage equipment. Part 3: Code of practice for minimizing the generation of radio noise
Available languages: Spanish
Available design: electronic design (pdf), Print design
from 59.80 EUR more info
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