A new toilet tank assembly aquarium for housing aquatic creatures.
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| Number | Title | Issue Date |
| 5038695 | Icebreaker For improving the headway and sternway icebreaking characteristics, the hull of a ship has the greatest width of the icebreaking waterline in the forebody and has trimming and ballasting in the stern area, whose part located above the icebreaking waterlin... | 08/13/1991 |