| 摘要 |
The clamp (10) is made of spring steel and has a middle part (14) with two inner bars (12) and a loop (16), which is closed by the inner bar and curves to form a free end of the clamp. The free space between the middle part and the loop in the area of the free end of the loop is less than the diameter of the spring steel in the area of the free end. A thickened or compressed part may be formed at the free end.
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