Invention Grant
US09498683B2 Multi-piece golf ball 有权
多件高尔夫球

Multi-piece golf ball
Abstract:
Provided is a golf ball showing a low spin rate on driver shots and a high spin rate on approach shots. Also provided is a multi-piece golf ball comprising a center and n (n is a natural number of 3 or more) envelope layers covering the center, wherein material hardness of the envelope layers satisfies H1
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