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изопреновый каучукstresses
gen. 异戊间二稀橡胶
chem. 异戊橡胶; 异戊二烯橡胶; 异戊间二烯橡胶异戊二烯橡胶
tech. 异戊间二烯橡胶
изопреновый каучук: 2 phrases in 1 subject
General2