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Block for use in Interconnection with other blocks to form a substantially horizontal Channel Block, comprising the Upper and Lower surfaces, a block Wall outside,A Section of Interconnection of Open Channel block and the Upper surface of the block; a Wall Construction.
Block for use in Interconnection with other blocks to form a substantially horizontal Channel Block, comprising the Upper and Lower surfaces, a block Wall outside,A Section of Interconnection of Open Channel block and the Upper surface of the block; a Wall Construction.
Block for use in Interconnection with other blocks to form a substantially horizontal Channel Block, comprising the Upper and Lower surfaces, a block Wall outside,A Section of Interconnection of Open Channel block and the Upper surface of the block; a Wall Construction.
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