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Dust sampling device
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A flashback barrier
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Protective breathing mask has a clamping ring for simple fixing of a mask body onto a projecting housing edge with a range of connection geometries
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Electrochemical oxygen sensor
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Infra optical gas sensor for measuring carbon dioxide
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Arrangement for detecting gaseous component in gas flow, e.g. alcohol in breath; has choke in sample extraction line, pressure sensor on upstream side of choke, flow detector for generating null flow signal
