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US4730654A Asymetric pneumatic radial tire tread for passenger car 失效
乘用车不对称充气子午线轮胎胎面

Asymetric pneumatic radial tire tread for passenger car
摘要:
A pneumatic radial tire having a block pattern asymmetric about the right and left portions on the ground-contacting portion of the tire which has a specific area ratio of grooves and a specific angle of subgrooves on the ground-contacting portion of the tire.
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