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Extract from the Register of European Patents

EP Citations: EP0784158

Cited inSearch
Type:Patent literature
Publication No.:US5401143  [X]
 (YU DEQUAN [US]) [X] 1,2,6 * the whole document *;
Type:Patent literature
Publication No.:US4508492  [A]
 (KUSAKAWA YUKIO [JP], et al) [A] 1,3,4,6 * abstract *
Cited inby applicant
Type:Patent literature
Publication No.:JPS6079193  
Type:Patent literature
Publication No.:JPH01177492