发明申请
US20150165711A1 FOLDING SCORE AND METHOD AND APPARATUS FOR FORMING THE SAME 有权
折痕及其形成方法和装置

FOLDING SCORE AND METHOD AND APPARATUS FOR FORMING THE SAME
摘要:
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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