| 摘要 |
PCT No. PCT/GB87/00412 Sec. 371 Date Jan. 28, 1988 Sec. 102(e) Date Jan. 28, 1988 PCT Filed Jun. 12, 1987 PCT Pub. No. WO87/07723 PCT Pub. Date Dec. 17, 1987.Apparatus for detecting the presence of alcohol in expired breath in the atmosphere, comprising a gas sampler, a detector for the presence of alcohol in a gas sample, an output indicator or recorder coupled to the detector to provide an output signal when alcohol is detected, and an automatic controller for actuating the sampler and detector in response to a signal from a sensor arranged to be responsive to the presence of a subject to be tested.
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