BE442186A - - Google Patents

Info

Publication number: BE442186A
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.)

1940-07-20

Publication of BE442186A publication Critical patent/BE442186A/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M5/00—Manual exchanges
- H04M5/02—Constructional details

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Structure Of Telephone Exchanges (AREA)
Coupling Device And Connection With Printed Circuit (AREA)

BE442186D 1940-07-20 BE442186A (US20030220297A1-20031127-C00009.png)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE552086X		1940-07-20

Publications (1)

Publication Number	Publication Date
BE442186A true BE442186A (US20030220297A1-20031127-C00009.png)

Family

ID=20311806

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE442186D BE442186A (US20030220297A1-20031127-C00009.png)	1940-07-20

Country Status (3)

Country	Link
BE (1)	BE442186A (US20030220297A1-20031127-C00009.png)
FR (1)	FR881912A (US20030220297A1-20031127-C00009.png)
GB (1)	GB552086A (US20030220297A1-20031127-C00009.png)

0
- BE BE442186D patent/BE442186A/xx unknown
1941
- 1941-06-25 FR FR881912D patent/FR881912A/fr not_active Expired
- 1941-09-19 GB GB12151/41A patent/GB552086A/en not_active Expired

Also Published As

Publication number	Publication date
FR881912A (fr)	1943-05-12
GB552086A (en)	1943-03-22

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