FR433412A - Device to signal the presence of flammable gases - Google Patents

Device to signal the presence of flammable gases

Info

Publication number
FR433412A
FR433412A FR433412A FR433412DA FR433412A FR 433412 A FR433412 A FR 433412A FR 433412 A FR433412 A FR 433412A FR 433412D A FR433412D A FR 433412DA FR 433412 A FR433412 A FR 433412A
Authority
FR
France
Prior art keywords
signal
flammable gases
flammable
gases
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
FR433412A
Other languages
French (fr)
Inventor
Fritz Schroeter
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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR433412A publication Critical patent/FR433412A/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
    • 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
    • G01N31/005—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods investigating the presence of an element by oxidation
    • G01N31/007—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods investigating the presence of an element by oxidation by measuring the quantity of water resulting therefrom

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
FR433412A 1911-08-19 Device to signal the presence of flammable gases Expired FR433412A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE241796T

Publications (1)

Publication Number Publication Date
FR433412A true FR433412A (en) 1912-01-06

Family

ID=5912856

Family Applications (1)

Application Number Title Priority Date Filing Date
FR433412A Expired FR433412A (en) 1911-08-19 Device to signal the presence of flammable gases

Country Status (2)

Country Link
DE (1) DE241796C (en)
FR (1) FR433412A (en)

Also Published As

Publication number Publication date
DE241796C (en)

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