首页>
外国专利>
Device for the simultaneous pivoting of two with respect to the driven shaft in the position of this part of the driven shafts vera, without affecting the sum of the rotary speeds of these waves during the pivoting
Device for the simultaneous pivoting of two with respect to the driven shaft in the position of this part of the driven shafts vera, without affecting the sum of the rotary speeds of these waves during the pivoting