| 英文名称: | | 1,4-benzenedicarboxylic acid, polymer with 1,4-benzenediamine | | kevlar 149, monomer-based | | kevlar 29, monomer-based | | kevlar 49, monomer-based | | kevlar 49, sru | | terephthalic acid, polyamide with p-phenylenediamine | | 1,4-benzenedicarboxylic acid, polymer with1,4-benzenediamine |
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