发明名称 Device for sampling breath air at the workplace
摘要 A pocket instrument for sampling breath air in situ, includes a microprocessor-controlled directional control valve with needles at an outlet to which needle the sample vessels are attached. The directional control valve is arranged to be connected through another outlet to the atmosphere and to a collecting chamber respectively, which collecting chamber is provided with a feeding device for accommodating and delivering the breath air.
申请公布号 US4818489(A) 申请公布日期 1989.04.04
申请号 US19860935611 申请日期 1986.12.02
申请人 BODENSEEWERK PERKIN-ELMER & CO., GMBH 发明人 GOENNER, WINFRIED;KOLB, BRUNO;MACHATA, GOTTFRIED
分类号 A61B5/08;G01N1/00;G01N1/20;G01N1/22;G01N33/497;(IPC1-7):G01N33/14;G01N33/48 主分类号 A61B5/08
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