Convenient high-strength concrete column humidifying maintaining device
The utility model relates to an assemblage culture portable device of a high-strength concrete column, which comprises a sponge, a culture plastic film and a hose. The sponge winds the column of the demouded high-strength concrete column from the top and is tightly adhered to the column, the hose wi...
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Format: | Patent |
Sprache: | chi ; eng |
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