en polyisobutene (n)
― RelatedTo ⟶
Weight: 1.0
en butyl rubber Source: English Wiktionary
en polyisobutene (n)
― RelatedTo ⟶
Weight: 1.0
en polymer Source: English Wiktionary
en polyisobutene (n)
― RelatedTo ⟶
Weight: 1.0
en isobutene Source: English Wiktionary