| 摘要 |
A beam clamp having a C-shaped clamp body, which has a threaded through hole on the top side and two parallel vertical cuts on the middle, and a hanging plate, which extends downwardly from the clamp body and suspending between the two parallel cuts and has a hanging hole and a plurality of forwardly and backwardly curved and threaded semicircular flanges alternatively disposed at different elevations for the hanging of a heavy object.
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