Cited in | Search | Type: | Patent literature | Publication No.: | US4475545
[X] ; | Type: | Patent literature | Publication No.: | DE3324103
[Y] ; | Type: | Patent literature | Publication No.: | US4622959
[Y] ; | Type: | Patent literature | Publication No.: | GB2209947
[AP] ; | Type: | Patent literature | Publication No.: | EP0273872
[A] ; | Type: | Patent literature | Publication No.: | DE3537318
[A] |