FR452359A - Répétiteur ou relais téléphonique - Google Patents

Répétiteur ou relais téléphonique

Info

Publication number
FR452359A
FR452359A FR452359DA FR452359A FR 452359 A FR452359 A FR 452359A FR 452359D A FR452359D A FR 452359DA FR 452359 A FR452359 A FR 452359A
Authority
FR
France
Prior art keywords
repeater
telephone relay
relay
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
Other languages
English (en)
Inventor
Elwood Grissinger
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR452359A publication Critical patent/FR452359A/fr
Expired legal-status Critical Current

Links

FR452359D 1912-04-18 1912-04-18 Répétiteur ou relais téléphonique Expired FR452359A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR452359T 1912-04-18

Publications (1)

Publication Number Publication Date
FR452359A true FR452359A (fr) 1913-05-15

Family

ID=43350981

Family Applications (1)

Application Number Title Priority Date Filing Date
FR452359D Expired FR452359A (fr) 1912-04-18 1912-04-18 Répétiteur ou relais téléphonique

Country Status (1)

Country Link
FR (1) FR452359A (fr)

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