| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a fall-of-rocks disaster prevention device capable of efficiently guarding an operator on a working face with a simple structure. <P>SOLUTION: A fall-of-rocks disaster prevention device comprises at least two wires and a mat-like impact absorber having a plane area larger than a projection area of an operator. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
