DIN EN 12317-1:1999-11 Flexible sheets for waterproofing - Part 1: Bitumen sheets for roof waterproofing; determination of shear resistance of joints; German version EN 12317-1:1999
1999DIN EN 12317-1:1999-11 Flexible sheets for waterproofing - Part 1: Bitumen sheets for roof waterproofing; determination of shear resistance of joints; German version EN 12317-1:1999
1999DIN EN 12317-1:1999 Flexible sheets for waterproofing - Part 1: Bitumen sheets for roof waterproofing; determination of shear resistance of joints; German version EN 12317-1:1999