| 摘要 |
A pneumatic tire with tread composed of a sulfur cured rubber comprised of, based on the rubber, (A) cis 1,4-polyisoprene; (B) at least one of isoprene/ acrylonitrile rubber and butadiene/acrylonitrile rubber and, optionally; (C) at least one additional rubber which includes cis 1,4-polybutadiene characterized in that the cis 1,4-polybutadiene is a primary rubber constituent.
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