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1Γ10-Β³ mol polipropilenning massasi 84 gr bΓ²lsa, uning polimerlanish darajasini toping
J: 2000
1Γ10-Β³ mol polipropilenning massasi 84 gr bΓ²lsa, uning polimerlanish darajasini toping
J: 2000