最終更新日：2024/07/31
Polyisobutylenes are commonly used in the production of adhesives and sealants.
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Polyisobutylenes are commonly used in the production of adhesives and sealants.
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Polyisobutylenes are commonly used in the production of adhesives and sealants.
Polyisobutylenes are commonly used in the production of adhesives and sealants.
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