DK45941C - Circuit arrangement for automatic telephone systems. - Google Patents

Circuit arrangement for automatic telephone systems.

Info

Publication number: DK45941C
Authority: DK; Denmark
Prior art keywords: circuit arrangement; telephone systems; automatic telephone; automatic; systems
Prior art date: 1927-05-23

Application number

Other languages

Original Assignee

Ass Telephone & Telegraph Co

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.)

1927-05-23

Filing date

1928-01-23

Publication date

1932-07-18

1928-01-23 Application filed by Ass Telephone & Telegraph Co filed Critical Ass Telephone & Telegraph Co

1932-07-18 Application granted granted Critical

1932-07-18 Publication of DK45941C publication Critical patent/DK45941C/en

Links

DK45941D 1927-05-23 1928-01-23 Circuit arrangement for automatic telephone systems. DK45941C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US45941XA	1927-05-23	1927-05-23

Publications (1)

Publication Number	Publication Date
DK45941C true DK45941C (en)	1932-07-18

Family

ID=21711541

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK45941D DK45941C (en)	1927-05-23	1928-01-23	Circuit arrangement for automatic telephone systems.

Country Status (1)

Country	Link
DK (1)	DK45941C (en)

1928
- 1928-01-23 DK DK45941D patent/DK45941C/en active

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