天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

Polyethylene glycol-G-isocyanate

Polyethylene glycol-G-isocyanate ??? ???
?? ??:
???:
Polyethylene glycol-G-isocyanate
???(??):
[PEG-g-NCO] Poly(ethylene glycol) graft isocyanate
CBNumber:
CB43006843
???:
??? ??:
0
MOL ??:
Mol file

Polyethylene glycol-G-isocyanate ??

??

Polyethylene glycol-G-isocyanate C??? ??, ??, ??

Polyethylene glycol-G-isocyanate ?? ?? ? ???

???

?? ??

Polyethylene glycol-G-isocyanate ?? ??

???( 3)?? ??
??? ?? ??? ?? ?? ? ??
Shandong Xiya Chemical Co., Ltd 4009903999 13355009207
 3007715519@qq.com China 18738 57
Xiamen Sinopeg Biotech Co., Ltd. 400-400-9189898
sales@sinopeg.com China 311 58
Copyright 2019 ? ChemicalBook. All rights reserved