39029020
HS 39029020 - Polybut-1-ene (of one of the forms specified in note 6-b of this chapter); in primary forms
Polybut-1-ene (of one of the forms specified in note 6-b of this chapter); in primary forms
cnPolybut-1-ene (of one of the forms specified in note 6-b of this chapter); in primary forms
Open PagePolybut-1-ene (of one of the forms specified in note 6-b of this chapter); in primary forms
cnPolybut-1-ene (of one of the forms specified in note 6-b of this chapter); in primary forms
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