| 摘要 |
1,228,804. Grips for holding test pieces. MASCHINENFABRIK AUGSBURG - NURNBERG A.G. July 1, 1968 [July 1,1967], No.31272/68. Heading G1S. A test piece 5 is held between grip heads 1, 2, each head having opposed cylinders 6, 7 provided with hydraulic pistons 8, 9 normally held retracted by springs 12, 13. Differential pistons 16, 17 are operated to move the grip head pistons. (For Figure see next page) |
