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Plywood. Classification by surface appearance - General. Original standard UNE-EN 635-1-1995 in PDF full version. Additional info + preview on request

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Plywood - Classification by surface appearance - Part 3- Softwood. Original standard UNE-EN 635-3-1996 in PDF full version. Additional info + preview on request

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Amendment 1 - Plywood. Specifications. Original standard UNE-EN 636-2012 + A1-2015 in PDF full version. Additional info + preview on request

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Reinforced concrete pressure pipes and distributed reinforcement concrete pressure pipes (non-cylinder type), including joints and fittings. Original standard UNE-EN 640-1995 in PDF full version. Additional info + preview on request

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Prestressed concrete pressure pipes, cylinder and non-cylinder, including joints, fittings and specific requirement for prestressing steel for pipes. Original standard UNE-EN 642-1995 in PDF full version. Additional info + preview on request

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Paper and board. European list of standard grades of paper and board for recycling. Original standard UNE-EN 643-2014 in PDF full version. Additional info + preview on request

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