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DIN EN 15780:2012
Ventilation for buildings - Ductwork - Cleanliness of ventilation systems; German version EN 15780:2011
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Deutsches Institut für Normung [din]
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Deutsches Institut für Normung [din]
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ASTM International [astm]
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Deutsches Institut für Normung [din]
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Deutsches Institut für Normung [din]
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Deutsches Institut für Normung [din]
As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.