DK45907C - Circuit arrangement for fully and semi-automatic Telephone Systems. - Google Patents

Circuit arrangement for fully and semi-automatic Telephone Systems.

Info

Publication number
DK45907C
DK45907C DK45907DA DK45907C DK 45907 C DK45907 C DK 45907C DK 45907D A DK45907D A DK 45907DA DK 45907 C DK45907 C DK 45907C
Authority
DK
Denmark
Prior art keywords
semi
fully
circuit arrangement
telephone systems
automatic telephone
Prior art date
Application number
Other languages
Danish (da)
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of DK45907C publication Critical patent/DK45907C/en

Links

DK45907D 1929-06-21 1930-02-01 Circuit arrangement for fully and semi-automatic Telephone Systems. DK45907C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB45907X 1929-06-21

Publications (1)

Publication Number Publication Date
DK45907C true DK45907C (en) 1932-07-11

Family

ID=9780040

Family Applications (1)

Application Number Title Priority Date Filing Date
DK45907D DK45907C (en) 1929-06-21 1930-02-01 Circuit arrangement for fully and semi-automatic Telephone Systems.

Country Status (1)

Country Link
DK (1) DK45907C (en)

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