DE2156656B2 - - Google Patents

Info

Publication number
DE2156656B2
DE2156656B2 DE19712156656 DE2156656A DE2156656B2 DE 2156656 B2 DE2156656 B2 DE 2156656B2 DE 19712156656 DE19712156656 DE 19712156656 DE 2156656 A DE2156656 A DE 2156656A DE 2156656 B2 DE2156656 B2 DE 2156656B2
Authority
DE
Germany
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
DE19712156656
Other languages
German (de)
Other versions
DE2156656A1 (de
DE2156656C3 (de
Inventor
Robert G. Franklin Leonard
Chester P. Wauwatosa Surprise
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson Service Co
Original Assignee
Johnson Service Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Johnson Service Co filed Critical Johnson Service Co
Priority to DE19712156656 priority Critical patent/DE2156656C3/de
Publication of DE2156656A1 publication Critical patent/DE2156656A1/de
Publication of DE2156656B2 publication Critical patent/DE2156656B2/de
Application granted granted Critical
Publication of DE2156656C3 publication Critical patent/DE2156656C3/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
    • G01N31/223—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating presence of specific gases or aerosols
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Sampling And Sample Adjustment (AREA)
DE19712156656 1971-11-15 1971-11-15 Vorrichtung zur Anzeige einer Gasqualitat Expired DE2156656C3 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19712156656 DE2156656C3 (de) 1971-11-15 1971-11-15 Vorrichtung zur Anzeige einer Gasqualitat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712156656 DE2156656C3 (de) 1971-11-15 1971-11-15 Vorrichtung zur Anzeige einer Gasqualitat

Publications (3)

Publication Number Publication Date
DE2156656A1 DE2156656A1 (de) 1973-05-30
DE2156656B2 true DE2156656B2 (enExample) 1974-04-18
DE2156656C3 DE2156656C3 (de) 1974-11-21

Family

ID=5825167

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712156656 Expired DE2156656C3 (de) 1971-11-15 1971-11-15 Vorrichtung zur Anzeige einer Gasqualitat

Country Status (1)

Country Link
DE (1) DE2156656C3 (enExample)

Also Published As

Publication number Publication date
DE2156656A1 (de) 1973-05-30
DE2156656C3 (de) 1974-11-21

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)