BE509055A - - Google Patents

Info

Publication number: BE509055A
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.)

1951-02-19

Publication of BE509055A publication Critical patent/BE509055A/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges

BE509055D 1951-02-19 BE509055A (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL314169X		1951-02-19

Publications (1)

Publication Number	Publication Date
BE509055A true BE509055A (xx)

Family

ID=19783749

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE509055D BE509055A (xx)	1951-02-19

Country Status (6)

Country	Link
BE (1)	BE509055A (xx)
CH (1)	CH314169A (xx)
DE (1)	DE936273C (xx)
FR (1)	FR1058853A (xx)
GB (1)	GB710203A (xx)
NL (2)	NL87360C (xx)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE322105C (de) *	1912-09-27	1920-06-22	Western Electric Co Ltd	Schaltungsanordnung fuer Fernsprechanlagen, bei denen anrufende Leitungen mittels selbsttaetiger Schaltwerke an Verbindungsstromkreise angeschlossen werden
GB333259A (en) *	1929-05-14	1930-08-14	Gerald Deakin	Improvements in or relating to automatic and semi-automatic telephone exchange systems

0
- NL NL6815570.A patent/NL159336B/xx unknown
- BE BE509055D patent/BE509055A/xx unknown
- NL NL87360D patent/NL87360C/xx active
1952
- 1952-02-06 CH CH314169D patent/CH314169A/fr unknown
- 1952-02-08 FR FR1058853D patent/FR1058853A/fr not_active Expired
- 1952-02-09 DE DEST4436A patent/DE936273C/de not_active Expired
- 1952-02-11 GB GB3617/52A patent/GB710203A/en not_active Expired

Also Published As

Publication number	Publication date
FR1058853A (fr)	1954-03-19
NL159336B (nl)
DE936273C (de)	1955-12-07
GB710203A (en)	1954-06-09
CH314169A (fr)	1956-05-31
NL87360C (xx)

Publication	Publication Date	Title
AT190786B (xx)	1957-07-25
AT197970B (xx)	1958-05-27
AT195616B (xx)	1958-02-25
AT192177A (xx)	1957-10-10
BE498982A (xx)
NL76522C (xx)
BE480026A (xx)
BE477312A (xx)
BE466790A (xx)
BE513096A (xx)
BE422752A (xx)
BE513917A (xx)
BE491096A (xx)
BE494945A (xx)
BE498467A (xx)
BE500995A (xx)
BE513004A (xx)
BE500297A (xx)
BE500588A (xx)
BE500688A (xx)
BE501126A (xx)
BE500745A (xx)
BE500841A (xx)
BE500989A (xx)	1951-02-15
BE500996A (xx)