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Fertilizers. Determination of nitric and ammoniacal nitrogen according to Arnd. Original standard UNE-EN 15559-2009 in PDF full version. Additional info + preview on request

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Fertilizers Determination of total nitrogen in calcium cyanamide nitrate free. Original standard UNE-EN 15560-2009 in PDF full version. Additional info + preview on request

Document status: Replaced by STB UNE-EN 15560-2024

Fertilizers Determination of total nitrogen in calcium cyanamide containing nitrates. Original standard UNE-EN 15561-2009 in PDF full version. Additional info + preview on request

Document status: Replaced by STB UNE-EN 15561-2024

Sports and recreational facilities Ropes courses Part 1: Construction and safety requirements. Original standard UNE-EN 15567-1-2015 in PDF full version. Additional info + preview on request

Document status: Replaced by STB UNE-EN 15567-1-2015 + A1-2021

Sports- and recreational facilities. Ropes courses. Operation requirements. Original standard UNE-EN 15567-2-2015 in PDF full version. Additional info + preview on request

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Machines and plants for mining and tooling of natural stone. Safety. Requirements for surface-finishing machines. Original standard UNE-EN 15571-2015 in PDF full version. Additional info + preview on request

Document status: Replaced by STB UNE-EN 15571-2021