
Testing Of Textiles; Determination Of Burning Behaviour; Vertical Method, Ignition At The Lower Edge Of The Specimen
出版:German Institute for Standardisation (Deutsches Institut f眉r Normung)

專家解讀視頻
Testing Of Textiles; Determination Of Burning Behaviour; Vertical Method, Ignition At The Lower Edge Of The Specimen
出版:German Institute for Standardisation (Deutsches Institut f眉r Normung)
專家解讀視頻