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DK5780C - Apparatus for Counting Telephone Calls. - Google Patents

Apparatus for Counting Telephone Calls.

Info

Publication number
DK5780C
DK5780C DK5780DA DK5780C DK 5780 C DK5780 C DK 5780C DK 5780D A DK5780D A DK 5780DA DK 5780 C DK5780 C DK 5780C
Authority
DK
Denmark
Prior art keywords
telephone calls
counting
counting telephone
calls
telephone
Prior art date
Application number
Other languages
Danish (da)
Inventor
Johann Heinrich Meyer
Original Assignee
Johann Heinrich Meyer
Publication date
Application granted granted Critical
Publication of DK5780C publication Critical patent/DK5780C/en

Links

DK5780D Apparatus for Counting Telephone Calls. DK5780C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK5780T

Publications (1)

Publication Number Publication Date
DK5780C true DK5780C (en) 1903-07-06

Family

ID=27822086

Family Applications (1)

Application Number Title Priority Date Filing Date
DK5780D DK5780C (en) Apparatus for Counting Telephone Calls.

Country Status (1)

Country Link
DK (1) DK5780C (en)

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