| 摘要 |
<p>Guide tube for a mobile surveillance sensor propelled by compressed gas, characterised in that it consists of two parts, namely a first part (1) comprising a rear face (2) and two perpendicular wings (3, 4) forming a U-shaped cross-section and a second part forming a front plate (7) introduced between the free ends of the said two wings, the said first part (1) being produced from extruded organic high polymer, the rear face (2) and the said two wings (3, 4) being cellular. <IMAGE></p> |
