| 摘要 |
1,236,294. Clamps. VAL-VI S.n.c. DI VALLINOTTO & C. 21 Nov., 1969 [23 Nov., 1968[, No. 57023/69. Heading E2B. A pipe-clamp is secured by interengaging teeth 6, 7 on arms 4, 5 projecting towards each other, and other, toothless arms 8, 9 overlie the toothed arms. Resilience is increased by slots 12, 13. The clamp may be of plastics. (For Figures see next column) |
