FR687197A - Improvements to electrical switches - Google Patents

Improvements to electrical switches

Info

Publication number
FR687197A
FR687197A FR687197DA FR687197A FR 687197 A FR687197 A FR 687197A FR 687197D A FR687197D A FR 687197DA FR 687197 A FR687197 A FR 687197A
Authority
FR
France
Prior art keywords
electrical switches
switches
electrical
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
Onni Kaisla
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 FR687197A publication Critical patent/FR687197A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • H01H9/185—Fluorescent or phosphorescent symbols or distinguishing marks
FR687197D 1929-12-24 1929-12-24 Improvements to electrical switches Expired FR687197A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR687197T 1929-12-24

Publications (1)

Publication Number Publication Date
FR687197A true FR687197A (en) 1930-08-05

Family

ID=9025990

Family Applications (1)

Application Number Title Priority Date Filing Date
FR687197D Expired FR687197A (en) 1929-12-24 1929-12-24 Improvements to electrical switches

Country Status (1)

Country Link
FR (1) FR687197A (en)

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