| 英文名称: | | 1,4-butanediol, 2,3-bis[( gamma- omega -perfluoro-c6-20-alkyl)thio] derivs., po | | lymers with 1,6-diisocyanatotrimethylhexane and 2,2'-(methylimino)bis[ethanol] | | 1,4-butanediol, 2,3-bis[( gamma- omega-perfluoro-c6-20-alkyl)thio] derivs., polymers with1,6-diisocyanatotrimethylhexane and 2,2'-(methylimino)bis[ethanol] |
|
