FR547171A - - Google Patents

Info

Publication number
FR547171A
FR547171A FR547171DA FR547171A FR 547171 A FR547171 A FR 547171A FR 547171D A FR547171D A FR 547171DA FR 547171 A FR547171 A FR 547171A
Authority
FR
France
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)
Publication date
Application granted granted Critical
Publication of FR547171A publication Critical patent/FR547171A/fr
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
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0202—Switches
    • H05B1/0216—Switches actuated by the expansion of a solid element, e.g. wire or rod
FR547171D Expired FR547171A (zh)

Publications (1)

Publication Number Publication Date
FR547171A true FR547171A (zh) 1922-12-02

Family

ID=1537986

Family Applications (1)

Application Number Title Priority Date Filing Date
FR547171D Expired FR547171A (zh)

Country Status (1)

Country Link
FR (1) FR547171A (zh)

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