| 摘要 |
1,247,056. Controlling variable-speed transmissions. VOITH GETRIEBE K.G. 11 Sept., 1968 [10 July, 1968], No. 20272/71. Divided out of 1,247,055. Heading F2D. The description is substantially identical to that of Specification 1,247,055, but the claims are directed to the torque-limiting pressure relief valves. |
