SUCTION BOARD

摘要

PROBLEM TO BE SOLVED: To provide a suction board causing no deflection due to dead weight even if being lightened and facilitating its handling by storing an air pipe therein. SOLUTION: This suction board having pores on the surface is formed into a hollow structure partitioned into a plurality of spaces by providing a reinforcing member in one surface. COPYRIGHT: (C)2006,JPO&NCIPI