Waterproof room of daylighting lid that has passageway
The utility model provides a waterproof room of daylighting lid that has passageway comprises big screen work, water drainage tank and waterproof cover, big screen work is equipped with out the head rod and is stretched out from the both sides of passageway roof beam by vertical, the horizontal cros...
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Format: | Patent |
Sprache: | chi ; eng |
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