FR856063A - Portable lighter for toxic gas detector - Google Patents

Portable lighter for toxic gas detector

Info

Publication number
FR856063A
FR856063A FR856063DA FR856063A FR 856063 A FR856063 A FR 856063A FR 856063D A FR856063D A FR 856063DA FR 856063 A FR856063 A FR 856063A
Authority
FR
France
Prior art keywords
gas detector
toxic gas
portable lighter
lighter
portable
Prior art date
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Rene Louis Dupont
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 filed Critical
Application granted granted Critical
Publication of FR856063A publication Critical patent/FR856063A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
    • G01N21/72—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited using flame burners

Landscapes

  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
FR856063D 1939-02-15 1939-02-15 Portable lighter for toxic gas detector Expired FR856063A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR856063T 1939-02-15

Publications (1)

Publication Number Publication Date
FR856063A true FR856063A (en) 1940-05-27

Family

ID=9328647

Family Applications (1)

Application Number Title Priority Date Filing Date
FR856063D Expired FR856063A (en) 1939-02-15 1939-02-15 Portable lighter for toxic gas detector

Country Status (1)

Country Link
FR (1) FR856063A (en)

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