FR468031A - Automatic or semi-automatic telephone system with graduated charges - Google Patents

Automatic or semi-automatic telephone system with graduated charges

Info

Publication number
FR468031A
FR468031A FR468031DA FR468031A FR 468031 A FR468031 A FR 468031A FR 468031D A FR468031D A FR 468031DA FR 468031 A FR468031 A FR 468031A
Authority
FR
France
Prior art keywords
automatic
graduated
charges
semi
telephone system
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.)
ELEKTROMECHANISCHE TELEPHONAPP
Original Assignee
ELEKTROMECHANISCHE TELEPHONAPP
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 ELEKTROMECHANISCHE TELEPHONAPP filed Critical ELEKTROMECHANISCHE TELEPHONAPP
Application granted granted Critical
Publication of FR468031A publication Critical patent/FR468031A/en
Expired legal-status Critical Current

Links

FR468031D 1914-01-14 1914-01-14 Automatic or semi-automatic telephone system with graduated charges Expired FR468031A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR468031T 1914-01-14

Publications (1)

Publication Number Publication Date
FR468031A true FR468031A (en) 1914-06-26

Family

ID=43351339

Family Applications (1)

Application Number Title Priority Date Filing Date
FR468031D Expired FR468031A (en) 1914-01-14 1914-01-14 Automatic or semi-automatic telephone system with graduated charges

Country Status (1)

Country Link
FR (1) FR468031A (en)

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