Urea, N,N'-bis(hydroxymethyl)-, polymer with formaldehyde and (hydroxymethyl)urea
英文名称:
Urea, N,N'-bis(hydroxymethyl)-, polymer with formaldehyde and (hydroxymethyl)urea
英文别名:
Urea, N,N'-bis(hydroxymethyl)-, polymer with formaldehyde and (hydroxymethyl)urea