| 摘要 |
1,196,898. Bearings. V. LANGEN, [trading as LANGEN & CO.]. March, 1969 [25 March, 1968], No. 11159/69. Heading F2A. [Also in Division E2] Ball bearing having two diametrically opposed balls 18, 19 mounted in a cage 20, 21 and having an inner race formed by the spherical portion 6 of a shaft 7, 8. |
