| 摘要 |
Abstract Ear muffs including a pair of arm members, each arm member provided with a noise suppression portion mounted rotatably thereto adjacent a first end of each arm member and having a first portion of an attachment system located at a second 5 opposite end of each arm member, the first portion of the attachment system attachable to a second portion of the attachment system provided on a carrier portion adapted to be supported on a wearer's head. Figure 2 g e 2 1212.. Figure 3 |
