英文名称: | 2-Oxepanone, polymer with 1,4-butanediol and 1,1'-methylenebis[4-isocyanatobenzene] | 2-oxepanone, polymer with 1,4-butanediol and 1,1'-methylenebis[4-isocyanatobenz | 2-oxepanone, polymer with 1,4-butanediol and | 2-Oxepanone,polymer with 1,4-butanediol and 1,1'-methylenebis[4-isocyanatobenzene] |
|