
Unplasticized Polyvinylchloride (pvc-u) Profiles For The Construction Of Windows - Appearance After Heating At 150 Deg C - Test Method (pren 478)
出版:British Standards Institution

專家解讀視頻
Unplasticized Polyvinylchloride (pvc-u) Profiles For The Construction Of Windows - Appearance After Heating At 150 Deg C - Test Method (pren 478)
出版:British Standards Institution
專家解讀視頻