| 申请人 |
DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LTD., JOHANNESBURG, TRANSVAAL, ZA |
发明人 |
NAM, TOM LEONG, BEZ VALLEY TRANSVAAL, ZA;VAN RIJN, HENDRIK JOHAN, BERARIO TRANSVAAL, ZA;KEDDY, REX JAMES, RIVONIA TRANSVAAL, ZA;FALLON, PAUL JOSEPH, LOMBARDY EAST TRANSVAAL, ZA;SCHLIMMER, JOANNE FREDRICA, ORANGE GROVE TRANSVAAL, ZA |
