FR716269A - Method and apparatus for heating gases - Google Patents

Method and apparatus for heating gases

Info

Publication number
FR716269A
FR716269A FR716269DA FR716269A FR 716269 A FR716269 A FR 716269A FR 716269D A FR716269D A FR 716269DA FR 716269 A FR716269 A FR 716269A
Authority
FR
France
Prior art keywords
heating gases
gases
heating
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)
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.)
Research Corp
Original Assignee
Research Corp
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 Research Corp filed Critical Research Corp
Application granted granted Critical
Publication of FR716269A publication Critical patent/FR716269A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L23/00—Cleaning footwear
    • A47L23/02—Shoe-cleaning machines, with or without applicators for shoe polish
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B9/00—Stoves for heating the blast in blast furnaces
    • C21B9/10—Other details, e.g. blast mains

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR716269D 1930-05-06 1931-04-29 Method and apparatus for heating gases Expired FR716269A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US716269XA 1930-05-06 1930-05-06

Publications (1)

Publication Number Publication Date
FR716269A true FR716269A (en) 1931-12-17

Family

ID=22102529

Family Applications (1)

Application Number Title Priority Date Filing Date
FR716269D Expired FR716269A (en) 1930-05-06 1931-04-29 Method and apparatus for heating gases

Country Status (1)

Country Link
FR (1) FR716269A (en)

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