Roof cornice and drainage ditch one-time pouring formwork reinforcing device
The utility model discloses a roof cornice and drainage ditch one-time pouring formwork reinforcing device. The device comprises two vertically-fixed screw rod assemblies which are symmetrically arranged, the top keel is transversely arranged at the upper parts of the two fixed screws; wherein the b...
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Format: | Patent |
Sprache: | chi ; eng |
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