发明授权
US5301940A Baseball bat and production thereof 失效
棒球棒及其制作

Baseball bat and production thereof
摘要:
A baseball bat having a fiber reinforced outer layer which is formed by a resin injection technique employing a continuous reinforcing fiber and a molding material which cures to provide a crosslinked polyaminoamide resin, a crosslinked epoxy-modified polyaminoamide resin or a crosslinked polyesteramide resin and method for manufacturing such baseball bat.
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