Cited in | International search | Type: | Patent literature | Publication No.: | DE1171241
[A] (FISCHER AG GEORG) [A] 1-4* the whole document *; | Type: | Patent literature | Publication No.: | DE3521697
[A] (KUBO TETSUSHI) [A] 1-4 * page 12, line 13 - page 13, line 24; figures 1,2,10,12-14; claim 1 *; | Type: | Patent literature | Publication No.: | WO9103341
[X] (BIRKESTRAND ORVILLE J [US]) [X] 1,3 * abstract *; | Type: | Patent literature | Publication No.: | EP0513524
[A] (FISCHER GEORG ROHRLEITUNG [CH]) [A] 1-3 * figure 2; claims 1,3,8 * |