| 申请人 |
ANGLO AMERICAN RESEARCH LABORATORIES (PTY.) LTD., JOHANNESBURG, ZA |
发明人 |
GRIGOROVA, BOJIDARA, STANDTON, ZA;PALAZOV, ATANAS, JOHANNESBURG, ZA;MELLOR, JOHN, JOHANNESBURG, ZA;TUMILTY, JAMES ANTHONY JUDE, SANDTON, ZA;GAFIN, ANTHONY HAROLD, JOHANNESBURG, ZA |
