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   Angielski
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do fraz
pyromellitic dianhydride
chem. 均苯四酸二酐; 均苯四酸二酐
ropa / r. 苯四甲酸二酐; 均苯四酸二
techn. 苯均四酸二酐
tworz. 均苯四甲酸二酐〈固化剂〉
 Angielski tezaurus
pyromellitic dianhydride
skr., polim. 1,2,4,5-benzenetetracarboxylic acid dianhydride
pyromellitic dianhydride: 3 do fraz, 2 tematyki
Chemia2
Polimery1