BE521452A - - Google Patents

Info

Publication number: BE521452A
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.)

1952-07-14

Publication of BE521452A publication Critical patent/BE521452A/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)

BE521452D 1952-07-14 BE521452A (US07534539-20090519-C00280.png)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE1081289X		1952-07-14

Publications (1)

Publication Number	Publication Date
BE521452A true BE521452A (US07534539-20090519-C00280.png)

Family

ID=20419740

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE521452D BE521452A (US07534539-20090519-C00280.png)	1952-07-14

Country Status (2)

Country	Link
BE (1)	BE521452A (US07534539-20090519-C00280.png)
FR (1)	FR1081289A (US07534539-20090519-C00280.png)

0
- BE BE521452D patent/BE521452A/xx unknown
1953
- 1953-07-13 FR FR1081289D patent/FR1081289A/fr not_active Expired

Also Published As

Publication number	Publication date
FR1081289A (fr)	1954-12-17

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