Apparatus and methods for assessment, evaluation and grading of gemstones
摘要
申请公布号
AU2008234423(A1)
申请公布日期
2008.10.09
申请号
AU20080234423
申请日期
2008.04.02
申请人
OPAL PRODUCERS AUSTRALIA LIMITED
发明人
ANGUS NELSON HORNABROOK;LEANNE BISCHOF;RYAN LAGERSTROM;RODNEY HERBERT LUMMIS;GRAHAM ALFRED HORNABROOK;VOLKER HILSENSTEIN;ROBERT GEORGE IMRIE;PETER BRUCE SUTTON;STUART NORMAN MARCHANT;KATHRYN ELIZABETH PRIMMER
