BE419139A - - Google Patents

Info

Publication number: BE419139A
Authority: BE; Belgium

Application number

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.)

1935-12-23

Publication of BE419139A publication Critical patent/BE419139A/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Interface Circuits In Exchanges (AREA)
Monitoring And Testing Of Exchanges (AREA)

BE419139D 1935-12-23 BE419139A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE471406X		1935-12-23

Publications (1)

Publication Number	Publication Date
BE419139A true BE419139A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=6541265

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE419139D BE419139A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)	1935-12-23

Country Status (4)

Country	Link
BE (1)	BE419139A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1)	FR816364A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (2)	GB471406A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1)	NL52399C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

0
- BE BE419139D patent/BE419139A/xx unknown
- NL NL52399D patent/NL52399C/xx active
1936
- 1936-12-23 GB GB35298/36A patent/GB471406A/en not_active Expired
- 1936-12-23 FR FR816364D patent/FR816364A/fr not_active Expired
1937
- 1937-04-19 GB GB11124/37A patent/GB485327A/en not_active Expired

Also Published As

Publication number	Publication date
NL52399C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB485327A (en)	1938-05-18
GB471406A (en)	1937-09-03
FR816364A (fr)	1937-08-06

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