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EP0457619
European procedure
Extract from the Register of European Patents
EP Citations: EP0457619
| Cited in | Search | Type: | Patent literature | Publication No.: | JP62158757
[A] ; | Type: | Patent literature | Publication No.: | US4346639
[AD] (VAGIAS ALEX M); | Type: | Patent literature | Publication No.: | US4508575
[A] (OSHIMA YUTAKA [JP]); | Type: | Patent literature | Publication No.: | EP0323425
[A] (YAMAHA CORP [JP]) | Type: | Non-patent literature | Publication information: | [A] - PATENT ABSTRACTS OF JAPAN vol. 011, no. 398 (C-466)25 December 1987 & JP-A-62 158 757 ( NIPPON GAKKI SEIZO ) 14 July 1987, & JP62158757 A 19870714 |