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均苯四酸
chem.
PMA
tech.
pyromellitic acid
均苯四
甲
酸
chem.
1,2,4,5-benzenetetracarboxylic acid
均苯四酸
:
31 phrases
in 6 subjects
Chemistry
12
General
1
Oil / petroleum
4
Plastics
6
Polymers
4
Technology
4
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