Poly(oxy-1,4-phenylenesulfonyl-1,4-phenyleneoxy-4,4’-biphenylene) (CAS RNs 25608-64-4 and 25839-81-0) containing by weight not more than 20 % of additives
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condition:B,certificate:9011,action:25|condition:B,certificate:9022,action:25|condition:B,action:05