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The ornamental design for a combined walk-in stairs and built-in spa for swimming pools, substantially as shown and described. |
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FIG. 1 is a top plan view of a combined walk-in stairs _and built-in spa for swimming pools, showing our new design;
FIG. 2 is a front elevational view of a combined walk-in _stairs and built-in spa for swimming pools from the opposite _side;
FIG. 3 is a perspective view from one side thereof;
FIG. 4 is a perspective view front the other side;
FIG. 5 is a rear elevational view thereof.
Wallin, Ronald C., Wallin, Wesley A.
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