| 摘要 |
<p>The device has an assembly unit (3) that is arranged on a spray nozzle (1), and another assembly unit (4) arranged on a wall (2) of a processing machine. The assembly units are complementary to each other and mutually engaged. The nozzle and the wall include respective detection units (5, 6) that collaborate to produce detection information when the detection units are arranged face to face when the device is assembled, where the detection units do not produce detection information when the device is disassembled.</p> |
