DK45814C - Device by Telephone System. - Google Patents

Device by Telephone System.

Info

Publication number: DK45814C
Authority: DK; Denmark
Prior art keywords: telephone system; telephone
Prior art date: 1930-05-31

Application number

Other languages

Original Assignee

Ericsson Telefon Ab L M

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.)

1930-05-31

Filing date

1931-05-30

Publication date

1932-06-20

1931-05-30 Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M

1932-06-20 Application granted granted Critical

1932-06-20 Publication of DK45814C publication Critical patent/DK45814C/en

Links

DK45814D 1930-05-31 1931-05-30 Device by Telephone System. DK45814C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE45814X		1930-05-31

Publications (1)

Publication Number	Publication Date
DK45814C true DK45814C (en)	1932-06-20

Family

ID=20264501

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK45814D DK45814C (en)	1930-05-31	1931-05-30	Device by Telephone System.

Country Status (1)

Country	Link
DK (1)	DK45814C (en)

1931
- 1931-05-30 DK DK45814D patent/DK45814C/en active

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