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有効 (3年, 7か月前)ジャニラブポイント： 6
H20 Beam is a type of concrete formwork wood beams. It is used in all formwork systems include wall formwork, table formwork, slab formwork, column formwork, etc. With the lightweight and heavy load, the H20 beam is easy to handle for safe construction.
The Steel Prop is a kind of adjustable vertical pipe support for concrete formwork […] 表示
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