CH247349A - Installation of telephone exchange. - Google Patents

Installation of telephone exchange.

Info

Publication number
CH247349A
CH247349A CH247349DA CH247349A CH 247349 A CH247349 A CH 247349A CH 247349D A CH247349D A CH 247349DA CH 247349 A CH247349 A CH 247349A
Authority
CH
Switzerland
Prior art keywords
installation
telephone exchange
telephone
exchange
Prior art date
Application number
Other languages
French (fr)
Inventor
Automatic Telephone El Limited
Original Assignee
Automatic Telephone & Elect
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 Automatic Telephone & Elect filed Critical Automatic Telephone & Elect
Publication of CH247349A publication Critical patent/CH247349A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/02—Multi-position wiper switches
    • H01H67/04—Multi-position wiper switches having wipers movable only in one direction for purpose of selection
    • H01H67/12—Linear-motion switches
CH247349D 1942-04-20 1943-04-19 Installation of telephone exchange. CH247349A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB247349X 1942-04-20

Publications (1)

Publication Number Publication Date
CH247349A true CH247349A (en) 1947-02-28

Family

ID=10216420

Family Applications (1)

Application Number Title Priority Date Filing Date
CH247349D CH247349A (en) 1942-04-20 1943-04-19 Installation of telephone exchange.

Country Status (1)

Country Link
CH (1) CH247349A (en)

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