7.1 Drawings of lines and strokes 7.2 Shading 7.3 Cross‑sections 7.4 Scale of drawings 7.5 Numbers, letters and reference signs 7.6 Variations in proportions Source: http://www.epo.org/law-practice/legal-texts/html/guidelinespct/e/a_v_7.htmDate retrieved: 17 May 20218 references found. Click X to load a reference inside the current page, click on the title to open in a new page.EPO PCT GL - A Formalities ExaminationXGL-PCT A Overview Loading...XGL-PCT A V – Drawings This chapter summarises the requirements for drawings in international applications. An international application must contain drawings where they are necessary to understand the invention. Where they are not, but the [..]Loading...XGL-PCT A V 7.1 Drawings of lines and strokes Loading...XGL-PCT A V 7.2 Shading Loading...XGL-PCT A V 7.3 Cross‑sections Loading...XGL-PCT A V 7.4 Scale of drawings Loading...XGL-PCT A V 7.5 Numbers, letters and reference signs Loading...XGL-PCT A V 7.6 Variations in proportions Loading...