FR869574A - Improvements to heating devices - Google Patents

Improvements to heating devices

Info

Publication number
FR869574A
FR869574A FR869574DA FR869574A FR 869574 A FR869574 A FR 869574A FR 869574D A FR869574D A FR 869574DA FR 869574 A FR869574 A FR 869574A
Authority
FR
France
Prior art keywords
heating devices
heating
devices
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
Stephen Grebel
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 FR869574A publication Critical patent/FR869574A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/0033—Heating devices using lamps
    • H05B3/009—Heating devices using lamps heating devices not specially adapted for a particular application
FR869574D 1940-10-08 1940-10-08 Improvements to heating devices Expired FR869574A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR869574T 1940-10-08

Publications (1)

Publication Number Publication Date
FR869574A true FR869574A (en) 1942-02-05

Family

ID=9346542

Family Applications (1)

Application Number Title Priority Date Filing Date
FR869574D Expired FR869574A (en) 1940-10-08 1940-10-08 Improvements to heating devices

Country Status (1)

Country Link
FR (1) FR869574A (en)

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