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prEN 61249-4-14
Materials for printed boards and other interconnecting structures - Part 4-14: Sectional specification set for prepreg materials, unclad (for the manufacture of multilayer boards) - Epoxide woven E-glass prepreg of defined flammability (vertical burning test) for lead-free assembly (IEC 61249-4-14:2009)
prEN 61249-4-15
Materials for printed boards and other interconnecting structures - Part 4-15: Sectional specification set for prepreg materials, unclad (for the manufacture of multilayer boards) - Multifunctional epoxide woven E-glass prepreg of defined flammability (vertical burning test) for lead-free assembly (IEC 61249-4-15:2009)
prEN 61249-4-16
Materials for printed boards and other interconnecting structures - Part 4-16: Sectional specification set for prepreg materials, unclad (for the manufacture of multilayer boards) - Multifunctional non-halogenated epoxide woven E-glass prepreg of defined flammability (vertical burning test) for lead-free assembly (IEC 61249-4-16:2009)
prEN 61249-4-17
Materials for printed boards and other interconnecting structures - Part 4-17: Sectional specification set for prepreg materials, unclad (for the manufacture of multilayer boards) - Non-halogenated epoxide woven E-glass prepreg of defined flammability (vertical burning test) for lead-free assembly (IEC 61249-4-17:2009)
prEN ISO 1456 rev
Metallic and other inorganic coatings - Electrodeposited coatings of nickel, nickel plus chromium, copper plus nickel and of copper plus nickel plus chromium
prEN ISO 2081 rev
Metallic and other inorganic coatings - Electroplated coatings of zinc with supplementary treatments on iron or steel
prEN ISO 3691-1 rev
Industrial trucks - Safety requirements and verification - Part 1: Self-propelled industrial trucks, other than driverless trucks, variable-reach trucks and burden-carrier trucks
prEN ISO 8501-3
Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Part 3: Preparation grades of welds, edges and other areas with surface imperfections (ISO/DIS 8501-3:2024)
prEN ISO 9613-2
Acoustics - Attenuation of sound during propagation outdoors - Part 2: Engineering method for the prediction of sound pressure levels outdoors
prEN ISO 14880-3
Optics and photonics - Microlens arrays - Part 3: Test methods for optical properties other than wavefront aberrations (ISO/DIS 14880‑3:2023)