申请人 |
TIOXIDE GROUP SERVICES LTD., LONDON, GB |
发明人 |
EGERTON, TERENCE ARTHUR, STOCKTON ON TEES, CLEVELAND, GB;DRANSFIELD, GRAHAM PAUL, STOCKTON ON TEES, CLEVELAND TS20 1SY, GB;BROMLEY, ANTHONY PHILLIP, ELLINGTON, NORTHUMBERLAND, GB;RILEY, FRANK LEWIS, LEEDS LS6 2DE, GB |