申请(专利权)人: KLOECKNER-BECORIT GMBH, 4620 CASTROP-RAUXEL, DE 发明人: RICHTER, JOERG, DIPL.-ING., BOCHUM, DE,ZDEBEL, UWE, DR.-ING., HERNE, DE 摘要: The basic structure is a stiffened cell (1). Material is excavated from the front face (2). Interim support is provided by ...