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NA 041

DIN Standards Committee Heating and Ventilation Technology and their Safety

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Publications of NA 041

Number: 412

DIN 2404 1942-12 Standard Identification Colour Code for Heating System Pipelines More  Order from DIN Media
DIN 4751 1938-03 Standard Medium temperature hot water systems; systems open to the atmosphere and sealed systems, using physical control, with boiler-flow-temperatures up to 120 °C; safety equipment More  Order from DIN Media

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