IDENTIFYING DIAMOND TYPES AND LABORATORY-GROWN DIAMONDS WITH CPF
Identifying Diamond Type and Laboratory-Grown Diamonds With CPF "Cross Polarized Filter" - in Englischer Sprache!
By Branko Deljanin, Dusan Simic, Randy Lightfoot
Seiten: 40
Ed. 2023
By Branko Deljanin, Dusan Simic, Randy Lightfoot
Seiten: 40
Ed. 2023
20,00 €