
Foam Compound - Protein Base Compounds And Fluoroprotein Foam Compounds For Making Of Low Expansion Foam For Fire Fighting Purposes
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Foam Compound - Protein Base Compounds And Fluoroprotein Foam Compounds For Making Of Low Expansion Foam For Fire Fighting Purposes
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻