
Pneumatic Tube Systems; Steel Conveyor Tube 90 Deg. Bends; Dimensions, Technical Delivery Conditions
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Pneumatic Tube Systems; Steel Conveyor Tube 90 Deg. Bends; Dimensions, Technical Delivery Conditions
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频