NL72371C - - Google Patents

Info

Publication number: NL72371C
Authority: NL; Netherlands

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.)

1949-05-18

Publication of NL72371C publication Critical patent/NL72371C/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/001—Two-way communication systems between a limited number of parties

Landscapes

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

NL72371D 1949-05-18 NL72371C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL833209X		1949-05-18

Publications (1)

Publication Number	Publication Date
NL72371C true NL72371C (enrdf_load_html_response)

Family

ID=19843043

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL72371D NL72371C (enrdf_load_html_response)	1949-05-18

Country Status (3)

Country	Link
BE (1)	BE495606A (enrdf_load_html_response)
DE (1)	DE833209C (enrdf_load_html_response)
NL (1)	NL72371C (enrdf_load_html_response)

0
- NL NL72371D patent/NL72371C/xx active
- BE BE495606D patent/BE495606A/xx unknown
1950
- 1950-05-09 DE DEN853A patent/DE833209C/de not_active Expired

Also Published As

Publication number	Publication date
BE495606A (enrdf_load_html_response)
DE833209C (de)	1952-03-06

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