n.dull knife used to cut open the envelopes in which letters are mailed or to slit uncut pages of books
同义词：letter openerpaper knife
Paper knife
Paper knife
Paper knife
PAPERKNIFE ヴィジュアル文芸雑誌編集部によるJ文学ウォッチング
Whodunit with the paperknife in the library?
Combination scissors and paper knife
The 2011 Import and Export Market for Paper Knives, Letter Openers, Erasing Knives, and Pencil Sharpeners in Czech Republic
Influence of chemical heat treatment on the mechanical properties of paper knife-edge die
Paper knife and staple puller head
The 2011 Import and Export Market for Paper Knives, Letter Openers, Erasing Knives, and Pencil Sharpeners in Malaysia
The 2011 Import and Export Market for Paper Knives, Letter Openers, Erasing Knives, and Pencil Sharpeners in South Korea
The 2011 Import and Export Market for Paper Knives, Letter Openers, Erasing Knives, and Pencil Sharpeners in Latin America
The 2011 Import and Export Market for Paper Knives, Letter Openers, Erasing Knives, and Pencil Sharpeners in the Middle East
