A machine for making perforations or holes in paper, sheets of stamps, etc.
单词 | θ212308 |
释义 | society > occupation and work > equipment > piercing or boring tools > [noun] > perforators (3) perforator1855 A machine for making perforations or holes in paper, sheets of stamps, etc. electric pen1858 Any of various implements having a form or function analogous to that of an ink pen. With preceding word, as electric pen, pneumatic pen. A… roulette1867 A similar tool used for making perforations or indentations in sheets of postage stamps. |
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