| http://www.w3.org/ns/prov#value | - Invensense, Inc.04/16/1520150101365Method of providing markings to precious stones including gemstones and diamonds, and markings and marked precious stones marked according to such a methodAn identifiable mark on a portion of a polished facet of a surface of an article and being identifiable by an optical magnifying viewing device, said identifiable mark comprising a nano-structure formed by a tw
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