Fecha de publicación: 22/06/2011 Fuente: WIPO "bee" PURPOSE: A ruler for drawing a straight line is provided to measure the length horizontally or indicate the length easily by having tapelines on two sides of a ruler. CONSTITUTION: A ruler for drawing a straight line includes a body having graduations to measure the length, and a tapeline extended from the body to be projected in the vertical direction of the graduations. COPYRIGHT KIPO 2011