发明名称 SURFACE TREATMENT METHOD FOR GOLD JEWELRY
摘要 The present invention provides a gold ornament, the surface of said gold ornament exhibiting gold crystal-structured lines, crystal-textured lines, and criss-crossing crystal lines. The invention is advantageous in that the gold ornament exhibits an extremely smooth surface and a mosaic composition.
申请公布号 HK1174191(A2) 申请公布日期 2013.05.31
申请号 HK20120103672 申请日期 2012.04.13
申请人 CHOW TAI FOOK JEWELLERY COMPANY LIMITED 发明人 HUI KI SIN;WONG KWAI TANG
分类号 A44C;C25C 主分类号 A44C
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