Cited in | Search | Type: | Patent literature | Publication No.: | GB2114452
[A] (KIRBY COLIN GRAHAM) [A] 1,16-18,21* abstract *; | Type: | Patent literature | Publication No.: | GB2226766
[A] (LEVY HAROLD JOHN) [A] 1,10,16-18,21 * abstract *; | Type: | Patent literature | Publication No.: | GB2252735
[A] (WELLS DEREK FRANCIS) [A] 1,9,10,15-17,21 * abstract *; | Type: | Patent literature | Publication No.: | US5326108
[A] (FAITH WILLIAM B [US]) [A] 1,9,21 * column 2, line 65 - column 3, line 40; figures 2-5,15,16 * |