NA 027

DIN Standards Committee Optics and Precision Mechanics

Project

Jewellery and precious metal--Grading cultured pearl--Terminology, classification and test methods

Begin

2025-09-16

Planned document number

ISO/AWI 26016

Responsible national committee

NA 027-04-01-01 AK - Diamonds  

Responsible international committee

ISO/TC 174/WG 2 - Diamonds, gemstones and related products  

Contact

Dipl.-Ing. (FH)

Petra Bischoff

Alexander-Wellendorff-Str. 2
75172 Pforzheim

Tel.: +49 7231 9188-31
Fax: +49 7231 9188-33

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