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Pressure relief device for wall during construction of wall opening, comprises adjustable height tubes with horizontal tubes for connecting to adjustable height tube on either side of wall
Pressure relief device for wall during construction of wall opening, comprises adjustable height tubes with horizontal tubes for connecting to adjustable height tube on either side of wall
Adjustable height steel tubes with a thread system for their continuous height adjustment have horizontal tubes (2) attached to their top and bottom ends. The horizontal tubes are secured to another continuously height adjustable steel tube on the other side of the wall without any horizontal tubes attached to its top or bottom ends.
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