| 摘要 |
A breathing mask with a mask interior, through which the respiration air flows, and with a detection device with an indicator for indicating the presence of a toxic substance having penetrated into the breathing mask, is to be improved such that the indicator can be activated when the breathing mask has been put on. To accomplish this task, the detection device (1), which gas-tightly surrounds the indicator (6), has an operating means (5), which can be operated from the outside (21) of the mask, and with which the indicator (6) can be brought into contact with the respiration air in the mask interior (22) when the breathing mask has been put on.
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