| http://www.w3.org/ns/prov#value | - When the golf ball of the present invention includes an intermediate layer, such as an inner cover layer or outer core layer, this layer can include any materials known to those of ordinary skill in the art including thermoplastic and thermosetting materials, but preferably the intermediate layer can include any suitable materials, such as ionic copolymers of ethylene and an unsaturated monocarbox
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