Formwork supporting and reinforcing steel backing arris convenient to adjust and used for house building stand column
The utility model discloses a formwork supporting and reinforcing steel backing edge convenient to adjust for a house building stand column. A transverse rod is mounted on the outer wall of the first vertical rod; the connecting sleeves are symmetrically arranged on the two sides of the cross rod; c...
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Format: | Patent |
Sprache: | chi ; eng |
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