BE447775A - - Google Patents

Info

Publication number
BE447775A
BE447775A BE447775DA BE447775A BE 447775 A BE447775 A BE 447775A BE 447775D A BE447775D A BE 447775DA BE 447775 A BE447775 A BE 447775A
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.)
Publication of BE447775A publication Critical patent/BE447775A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/14—Control of transmission; Equalising characterised by the equalising network used
    • H04B3/143—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers
    • H04B3/145—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers variable equalisers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
BE447775D 1942-02-23 BE447775A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE229092X 1942-02-23

Publications (1)

Publication Number Publication Date
BE447775A true BE447775A (en:Method)

Family

ID=5867591

Family Applications (1)

Application Number Title Priority Date Filing Date
BE447775D BE447775A (en:Method) 1942-02-23

Country Status (3)

Country Link
BE (1) BE447775A (en:Method)
CH (1) CH229092A (en:Method)
FR (1) FR888647A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL181628B (nl) * 1953-09-26 Syntex Inc Werkwijze voor het bereiden van farmaceutische preparaten met prostaglandine-achtige werking, alsmede werkwijze voor het bereiden van 9alfa,11alfa,15alfa-trihydroxy-prosta-4,5,13-trieenzuurderivaten, geschikt voor gebruik bij de eerstgenoemde werkwijze.

Also Published As

Publication number Publication date
FR888647A (fr) 1943-12-17
CH229092A (de) 1943-09-30

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