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ISO 7934:1989

Действует
Stationary source emissions; determination of the mass concentration of sulfur dioxide; hydrogen peroxide/barium perchlorate/thorin method — 12 стр.
ISO 7934:1989/Amd.1:1998
Действует
Stationary source emissions - Determination of the mass concentration of sulfur dioxide - Hydrogen peroxide/barium perchlorate/Thorin method; Amendment 1 — 8 стр.