scale scarとは 意味・読み方・使い方

To provide a scale plate for cutter used for cutting a board such as a construction board and the like capable of preventing an accident such as a scar or injury at a finger or a hand caused by a repelling or sprung action of the cutter and further capable of performing a safe and positive use of the cutter by everybody.例文帳に追加

カッターの跳ね返り等による手指の損傷等の事故を防止し誰でもカッターを安全，確実に使用し得る，建築材用ボード等のボード切断に用いるカッター用定規板を提供する。 - 特許庁