Invention Grant
US08764586B2 Golf ball having cross-core hardness differential and method for making it 有权
高尔夫球具有十字芯硬度差异及其制作方法

Golf ball having cross-core hardness differential and method for making it
Abstract:
A golf ball core that includes a center point having a first hardness value and/or first specific gravity value, and a surface having a second hardness value and/or second specific gravity value. The first hardness value, or first specific gravity value, is different from the second hardness value, or second specific gravity value, respectively.
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