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Production of cylindrical moldings for use as pipes or in tanks comprises bending flat plastic sheet to form tube of desired diameter then using laser to weld edges together
Production of cylindrical moldings for use as pipes or in tanks comprises bending flat plastic sheet to form tube of desired diameter then using laser to weld edges together
Production of cylindrical moldings comprises bending a flat plastic sheet to form a tube of the desired diameter. The edges (3, 4) are then laser-welded together.
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