| 摘要 |
1463957 Hinges YOSHIDA KOGYO KK 29 April 1975 [8 May 1974] 17879/75 Heading E2F A pair of wear rings 18 is disposed between the opposed ends of the knuckles of the leaves 10, 11 of a butt hinge. Each ring has. a pair of fingers 19 which straddle the edge of the leaf of that knuckle engaged by the ring. |
