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均苯四
甲
酸二酐
chem.
1,2,4,5-benzenetetracarboxylic acid dianhydride
;
pyromellitic dianhydride
;
pyromellitic acid dianhydride
均苯四酸二酐
chem.
pyromellitic dianhydride
均苯四 酸二酐
:
7 phrases
in 5 subjects
Chemistry
2
Oil / petroleum
1
Plastics
1
Polymers
1
Technology
2
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