| 申请人 |
HENKEL KGAA, 4000 DUESSELDORF, DE;NL PETROLEUM SERVICES (UK) LTD., LONDON, GB |
发明人 |
MUELLER, HEINZ, 4019 MONHEIM, DE;HEROLD, CLAUS-PETER, DR., 4020 METTMANN, DE;TAPAVICZA, STEPHAN V., DR., 4006 ERKRATH, DE;GRIMES, DOUGLAS JOHN, BEACONSFIELD, GB;BRAUN, JEAN-MARC, 3100 CELLE, DE;SMITH, STUART P.T., KINCARDINESHIRE, SCOTLAND, GB |
