FR449665A - Four à gaz - Google Patents

Four à gaz

Info

Publication number
FR449665A
FR449665A FR449665DA FR449665A FR 449665 A FR449665 A FR 449665A FR 449665D A FR449665D A FR 449665DA FR 449665 A FR449665 A FR 449665A
Authority
FR
France
Prior art keywords
gas oven
oven
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
Alphonse Bertrand
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
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR449665A publication Critical patent/FR449665A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR449665D 1912-10-22 1912-10-22 Four à gaz Expired FR449665A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR449665T 1912-10-22

Publications (1)

Publication Number Publication Date
FR449665A true FR449665A (fr) 1913-03-05

Family

ID=1490174

Family Applications (1)

Application Number Title Priority Date Filing Date
FR449665D Expired FR449665A (fr) 1912-10-22 1912-10-22 Four à gaz

Country Status (1)

Country Link
FR (1) FR449665A (fr)

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