50 years of IPHA
This year marks the 50th anniversary of IPHA – the International Prestressed Hollowcore Association. Spiroll was delighted to attend the 24th annual conference from May 23-25 to celebrate the occasion in Soenderborg, Denmark. The event was hosted by Contiga Tinglev A/S and IPHA members from all over the world came together to share industry knowledge […]
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