FR881476A - Détecteur de gaz - Google Patents

Détecteur de gaz

Info

Publication number
FR881476A
FR881476A FR881476DA FR881476A FR 881476 A FR881476 A FR 881476A FR 881476D A FR881476D A FR 881476DA FR 881476 A FR881476 A FR 881476A
Authority
FR
France
Prior art keywords
gas detector
detector
gas
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
English (en)
Inventor
Gaston Dommelier
Andre Bonnaventure
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 FR881476A publication Critical patent/FR881476A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/10—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials
    • G01N9/12—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials by observing the depth of immersion of the bodies, e.g. hydrometers
    • G01N9/16—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials by observing the depth of immersion of the bodies, e.g. hydrometers the body being pivoted

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (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)
FR881476D 1941-12-30 1941-12-30 Détecteur de gaz Expired FR881476A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR881476T 1941-12-30

Publications (1)

Publication Number Publication Date
FR881476A true FR881476A (fr) 1943-04-27

Family

ID=9371812

Family Applications (1)

Application Number Title Priority Date Filing Date
FR881476D Expired FR881476A (fr) 1941-12-30 1941-12-30 Détecteur de gaz

Country Status (1)

Country Link
FR (1) FR881476A (fr)

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