
Firefighting equipment - Explosion-proof portable transfer pump with electric motor - Requirements, type and acceptance test; Amendment A1
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Firefighting equipment - Explosion-proof portable transfer pump with electric motor - Requirements, type and acceptance test; Amendment A1
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频