Cited in | International search | Type: | Patent literature | Publication No.: | US3891128
[XY] (SMRT THOMAS J) [X] 1-3,20,24-26 * column W * [Y] 4-7,9; | Type: | Patent literature | Publication No.: | FR2326541
[A] (HOFMANN WALTER [DE]) [A] 1* the whole document *; | Type: | Patent literature | Publication No.: | DE8805275U
[XYA] (S + S GESELL.) [X] 1,24-26 * the whole document * [Y] 4-7,9 [A] 2,3 |