AT114344B - Device for telephone booths to prevent unpaid calls. - Google Patents

Device for telephone booths to prevent unpaid calls.

Info

Publication number
AT114344B
AT114344B AT114344DA AT114344B AT 114344 B AT114344 B AT 114344B AT 114344D A AT114344D A AT 114344DA AT 114344 B AT114344 B AT 114344B
Authority
AT
Austria
Prior art keywords
calls
telephone booths
prevent unpaid
unpaid
prevent
Prior art date
Application number
Other languages
German (de)
Original Assignee
Telephon Automaten Ges M B H
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 Telephon Automaten Ges M B H filed Critical Telephon Automaten Ges M B H
Application granted granted Critical
Publication of AT114344B publication Critical patent/AT114344B/en

Links

AT114344D 1927-10-10 1927-10-10 Device for telephone booths to prevent unpaid calls. AT114344B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT114344T 1927-10-10

Publications (1)

Publication Number Publication Date
AT114344B true AT114344B (en) 1929-09-25

Family

ID=3628698

Family Applications (1)

Application Number Title Priority Date Filing Date
AT114344D AT114344B (en) 1927-10-10 1927-10-10 Device for telephone booths to prevent unpaid calls.

Country Status (1)

Country Link
AT (1) AT114344B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE874473C (en) * 1942-01-15 1953-04-23 Sodeco Compteurs De Geneve Coin operated telephone

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE874473C (en) * 1942-01-15 1953-04-23 Sodeco Compteurs De Geneve Coin operated telephone

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