NA 027

DIN Standards Committee Optics and Precision Mechanics

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Projects of NA 027

Number: 192

DIN 32562 2021-12-06 Jewellery and precious metals —Determination of silver in silver alloys — ICP-OES method using an internal standard element More  Comment 
DIN ISO 23364 2021-11-29 Optics and phtonoics - Bulk absorption optical filters (ISO 23364:2021) More  Comment 
ISO/CD 8600-4 2021-11-18 Endoscopes - Medical endoscopes and endotherapy devices - Part 4: Determination of maximum width of insertion portion More  Comment 
ISO/AWI 10110-6 2021-11-11 Optics and photonics - Preparation of drawings for optical elements and systems - Part 6: Centring and tilt tolerances More  Comment 
DIN EN 13274-7/A1 2021-11-10 Atemschutzgeräte - Prüfverfahren - Teil 7: Bestimmung des Durchlasses von Partikelfiltern More  Comment 
ISO/AWI 6760-2 2021-11-04 Optics and photonics - Test method for temperature coefficient of refractive index of optical glasses - Part 2: Interferometric method More  Comment 
DIN EN ISO 10943 2021-11-03 Ophthalmic instruments - Indirect ophthalmoscopes (ISO/DIS 10943:2021); German and English version prEN ISO 10943:2021 More  Comment 
DIN EN ISO 11427 rev 2021-10-25 Schmuck und Edelmetalle - Bestimmung von Silber in Silberlegierungen - Volumetrisches (potentiometrisches) Verfahren unter Verwendung von Kaliumbromid More  Comment 
ISO/AWI TR 11797 2021-10-14 Ophthalmic optics - Spectacle lenses - Power and prism measurements More  Comment 
ISO/AWI TR 11826 2021-10-14 Ophthalmic optics - Spectacle lenses - 3D spectacle lens measuring More  Comment 

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