Central Gem Laboratory

Japon

 
Quantité totale PI 2
Rang # Quantité totale PI 730 302
Note d'activité PI 0/5.0    0
Rang # Activité PI 1 677 039

Brevets

Marques

0 0
0 0
2 0
0
 
Dernier brevet 2016 - Written expert opinion of diamon...
Premier brevet 2012 - Method for determining quality o...

Derniers inventions, produits et services

2013 Invention Written expert opinion of diamond and method of preparing the same. The invention includes: a bar...
Invention Diamond certificate and method for creating said certificate. The present invention relates to a ...
2012 Invention Method of determining quality of heart and cupid optical effects of diamond device therefor. The...
Invention Method for determining quality of heart & cupid optical effect of diamond, and device therefor. T...