SSEF Facette 2019

I N T E R N AT I O N A L I SSU E

N 0. 25, F E B RUA RY 20 1 9

TRACEABILITY & BLOCKCHAIN / MOZAMBIQUE RUBIES / COLOUR CHANGE DNA FINGERPRINTING / PARAIBA TOURMALINE / SSEF AT AUCTION SSEF COURSES / SSEF IN USA & ASIA

1 · facette 2019