| http://www.w3.org/ns/prov#value | - The tire of claim 29 wherein said diene polymer or copolymer containing carbon-tin bonds is formed by coupling living diene polymer or copolymer chains by reacting the organoalkali or organoalkaline earth metal terminals thereof with a tin polyhalide having the general formula Ra SnXb, wherein R3 is selected from the group consisting of alkyl, alkenyl, cycloalkyl and aryl groups, X is a halogen at
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