BE358514A - - Google Patents

Info

Publication number: BE358514A
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.)

1929-01-26

Publication of BE358514A publication Critical patent/BE358514A/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/57—Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Impression-Transfer Materials And Handling Thereof (AREA)

BE358514D 1929-01-26 BE358514A (US06486227-20021126-C00005.png)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB274929A GB328325A (en)	1929-01-26	1929-01-26	Improvements in or relating to call recording apparatus for use in telephone systems

Publications (1)

Publication Number	Publication Date
BE358514A true BE358514A (US06486227-20021126-C00005.png)

Family

ID=9745152

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE358514D BE358514A (US06486227-20021126-C00005.png)	1929-01-26

Country Status (3)

Country	Link
BE (1)	BE358514A (US06486227-20021126-C00005.png)
FR (1)	FR671317A (US06486227-20021126-C00005.png)
GB (1)	GB328325A (US06486227-20021126-C00005.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3809051A1 (de) *	1988-03-18	1989-09-28	Rheinmetall Gmbh	Verfahren zur herstellung einer einlage zum belegen einer sprengstoffladung

0
- BE BE358514D patent/BE358514A/xx unknown
1929
- 1929-01-26 GB GB274929A patent/GB328325A/en not_active Expired
- 1929-03-12 FR FR671317D patent/FR671317A/fr not_active Expired

Also Published As

Publication number	Publication date
GB328325A (en)	1930-04-28
FR671317A (fr)	1929-12-11

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