Cited in | International search | Type: | Patent literature | Publication No.: | US4136468
[A] (MUNSCHY DOROTHY G); | Type: | Patent literature | Publication No.: | US4279083
[A] (DILG CARL W); | Type: | Patent literature | Publication No.: | GB2156651
[A] (B S F BOUSSAC SAINT FRERES); | Type: | Patent literature | Publication No.: | US5699629
[A] (MUNSCHY DOROTHY G [US]) |