FR479403A - Automatic or semi-automatic telephone system - Google Patents

Automatic or semi-automatic telephone system

Info

Publication number
FR479403A
FR479403A FR479403DA FR479403A FR 479403 A FR479403 A FR 479403A FR 479403D A FR479403D A FR 479403DA FR 479403 A FR479403 A FR 479403A
Authority
FR
France
Prior art keywords
automatic
semi
telephone system
automatic telephone
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
French (fr)
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.)
Relay Automatic Telephone Company Ltd
Original Assignee
Relay Automatic Telephone Company 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 Relay Automatic Telephone Company Ltd filed Critical Relay Automatic Telephone Company Ltd
Application granted granted Critical
Publication of FR479403A publication Critical patent/FR479403A/en
Expired legal-status Critical Current

Links

FR479403D 1915-07-28 1915-07-28 Automatic or semi-automatic telephone system Expired FR479403A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR479403T 1915-07-28

Publications (1)

Publication Number Publication Date
FR479403A true FR479403A (en) 1916-03-29

Family

ID=43351553

Family Applications (1)

Application Number Title Priority Date Filing Date
FR479403D Expired FR479403A (en) 1915-07-28 1915-07-28 Automatic or semi-automatic telephone system

Country Status (1)

Country Link
FR (1) FR479403A (en)

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