Classifications

• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
  • H03F3/60—Amplifiers in which coupling networks have distributed constants, e.g. with waveguide resonators
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07J—STEROIDS
  • C07J5/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07J—STEROIDS
  • C07J75/00—Processes for the preparation of steroids in general
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
  • H03F1/52—Circuit arrangements for protecting such amplifiers

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Health & Medical Sciences (AREA)
• General Health & Medical Sciences (AREA)
• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Steroid Compounds (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=8761437

Family Applications (1)

Country Status (4)

• 1961
  • 1961-08-18 FR FR871086A patent/FR1346960A/fr not_active Expired
• 1962
  • 1962-08-14 CH CH971462A patent/CH414615A/fr unknown
  • 1962-08-17 GB GB4440164A patent/GB1015016A/en not_active Expired
  • 1962-08-17 GB GB3172262A patent/GB1015015A/en not_active Expired
  • 1962-08-17 DK DK361562A patent/DK105270C/da active
  • 1962-08-17 GB GB4440264A patent/GB1015017A/en not_active Expired

Also Published As

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