FR23769E - Improvements to telephone cables - Google Patents

Improvements to telephone cables

Info

Publication number
FR23769E
FR23769E FR23769A FR23769DA FR23769E FR 23769 E FR23769 E FR 23769E FR 23769 A FR23769 A FR 23769A FR 23769D A FR23769D A FR 23769DA FR 23769 E FR23769 E FR 23769E
Authority
FR
France
Prior art keywords
telephone cables
cables
telephone
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
FR23769A
Other languages
French (fr)
Inventor
George Charles Pearson
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.)
Johnson and Phillips Ltd
Original Assignee
Johnson and Phillips Ltd
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 Johnson and Phillips Ltd filed Critical Johnson and Phillips Ltd
Application granted granted Critical
Publication of FR23769E publication Critical patent/FR23769E/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00Communication cables or conductors
FR23769A 1920-11-15 1920-11-15 Improvements to telephone cables Expired FR23769E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR23769T 1920-11-15

Publications (1)

Publication Number Publication Date
FR23769E true FR23769E (en) 1921-12-30

Family

ID=8662472

Family Applications (1)

Application Number Title Priority Date Filing Date
FR23769A Expired FR23769E (en) 1920-11-15 1920-11-15 Improvements to telephone cables

Country Status (1)

Country Link
FR (1) FR23769E (en)

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