Fireproof curtain wall
The fireproof curtain wall comprises two mounting rods, two hollow rods are fixedly mounted between the two mounting rods, fixing rods are fixedly mounted on the sides, close to each other, of the two mounting rods, and connecting rods are fixedly mounted on the sides, close to each other, of the tw...
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Format: | Patent |
Sprache: | chi ; eng |
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