| 摘要 |
A device for blocking frame members (6,7) of formworks (8) comprises a main body (1) of elongated shape, a pair of clamps (2,3), of which one slidably mounted on said main body (1), and blocking means (4, 5) for blocking said pair of clamps (2,3) on said frame members (6,7), and is characterised in that said blocking means comprises a rack plate (4) integrally mounted on said main body (1), and an engagement member (5) for the lockable reversible engagement with said rack (4), slidably mounted on said at least one clamp (3) of said pair of clamps (2,3).
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