申请人 |
MINNESOTA MINING AND MFG. CO., SAINT PAUL, MINN., US |
发明人 |
KITCHIN, JONATHAN PETER, HERTFORD, GB;POWERS, STEPHEN ROBIN MINNESOTA 3M RESEARCHLTD., ESSEX CM19 5AE, GB;PENFOUND, KEITH ARTHUR, ESSEX, CM10 2AZ, GB;FINN, PETER JOHN MINNESOTA 3M RESEARCH LTD., ESSEX, CM19 5AE, GB |