Invention Grant
US08444539B2 Folding score and method and apparatus for forming the same 有权
折叠得分及其形成方法和装置

Folding score and method and apparatus for forming the same
Abstract:
A folding score having a pair of laterally spaced, parallel scoring grooves which are individually asymmetrical. This invention also relates to a method and apparatus for forming the folding score.
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