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1992-07-08

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1999-11-11

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1996-11-22

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1992-07-08

COAL DUST EXPLOSIBILITY. TEST METHOD FOR DETERMINING THE EXPLOSIONS PRESSURE AND THE RATE OF PRESSURE RISE IN THE 20 L SPHERICAL CHAMBER.
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1996-11-22

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Electrical apparatus for use in the presence of combustible dust - Part 2-1: Test methods; methods for determining the minimum ignition temperatures of dust; German version EN 50281-2-1:1998 + Corrigendum 1999
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1999-11-01