Urea, polymer with 2,2-bis(hydroxymethyl)-1,3-propanediol, formaldehyde and methanol
英文名称:
Urea, polymer with 2,2-bis(hydroxymethyl)-1,3-propanediol, formaldehyde and methanol
英文别名:
Urea, polymer with 2,2-bis(hydroxymethyl)-1,3-propanediol, formaldehyde and methanol