FR501273A - Automatic telephone switch - Google Patents

Automatic telephone switch

Info

Publication number
FR501273A
FR501273A FR501273DA FR501273A FR 501273 A FR501273 A FR 501273A FR 501273D A FR501273D A FR 501273DA FR 501273 A FR501273 A FR 501273A
Authority
FR
France
Prior art keywords
automatic telephone
telephone switch
switch
automatic
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)
Inventor
Carl Axel Wilhelm Hultman
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 FR501273A publication Critical patent/FR501273A/en
Expired legal-status Critical Current

Links

FR501273D 1914-03-18 1915-03-18 Automatic telephone switch Expired FR501273A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE501273X 1914-03-18

Publications (1)

Publication Number Publication Date
FR501273A true FR501273A (en) 1920-04-08

Family

ID=43352059

Family Applications (1)

Application Number Title Priority Date Filing Date
FR501273D Expired FR501273A (en) 1914-03-18 1915-03-18 Automatic telephone switch

Country Status (1)

Country Link
FR (1) FR501273A (en)

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