optical brightening agent BBU for textile (C.I.220 and Cas no.16470-24-9)2016-10-25 16:01:41 |
optical brightening agent BBU for textile (C.I.220 and Cas no.16470-24-9)2016-10-25 16:00:48 |
optical brightening agent BBU for textile (C.I.220 and Cas no.16470-24-9)2016-10-25 16:00:48 |
optical brightening agent BBU for coating (C.I.220 and Cas no.16470-24-9)2016-10-25 16:00:47 |
optical brightening agent BBU for textile (C.I.220 and Cas no.16470-24-9)2017-06-07 13:42:57 |