DK53928C - Telefonsystem. - Google Patents

Telefonsystem.

Info

Publication number
DK53928C
DK53928C DK53928DA DK53928C DK 53928 C DK53928 C DK 53928C DK 53928D A DK53928D A DK 53928DA DK 53928 C DK53928 C DK 53928C
Authority
DK
Denmark
Prior art keywords
telephone system
telephone
Prior art date
Application number
Other languages
English (en)
Inventor
Leonard Ernest Ryall
Original Assignee
Leonard Ernest Ryall
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 Leonard Ernest Ryall filed Critical Leonard Ernest Ryall
Application granted granted Critical
Publication of DK53928C publication Critical patent/DK53928C/da

Links

DK53928D 1933-11-14 1934-11-13 Telefonsystem. DK53928C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB53928X 1933-11-14

Publications (1)

Publication Number Publication Date
DK53928C true DK53928C (da) 1937-11-29

Family

ID=9795297

Family Applications (1)

Application Number Title Priority Date Filing Date
DK53928D DK53928C (da) 1933-11-14 1934-11-13 Telefonsystem.

Country Status (1)

Country Link
DK (1) DK53928C (da)

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