
Silage And Liquid Manure Containers, Containers In Biogas Plants, Bunker Silos And Trench Silos - Part 22: Concrete Blocks Acting As Lost Formwork For Silage And Liquid Manure Containers, Bunker Silos And Trench Silos And Liquid Manure Channels
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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