| 摘要 |
PURPOSE: An apparatus for forming folding groove line of book is provided to ensure easy portability by reducing volume. CONSTITUTION: An apparatus for forming folding groove line of book comprises a plate body(100), pressurizing plate(200), and side support plate(300). The plate body comprises: upper part(110) and lower part(120) which are connected each other; a recess part(111) at front end of the upper plate; and an opening(112) between the upper part and lower part. |
