Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J17/00—Gas-filled discharge tubes with solid cathode
  • H01J17/005—Gas-filled discharge tubes with solid cathode specially adapted as noise generators
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
  • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
  • B01L3/02—Burettes; Pipettes
  • B01L3/0203—Burettes, i.e. for withdrawing and redistributing liquids through different conduits
  • B01L3/0206—Burettes, i.e. for withdrawing and redistributing liquids through different conduits of the plunger pump type
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
  • H03B29/00—Generation of noise currents and voltages

Landscapes

• Health & Medical Sciences (AREA)
• Clinical Laboratory Science (AREA)
• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
• Sampling And Sample Adjustment (AREA)
• Automatic Analysis And Handling Materials Therefor (AREA)
• Reciprocating Pumps (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=6970108

Family Applications (1)

Country Status (5)

• 0
  • NL NL105146D patent/NL105146C/xx active
• 1959
  • 1959-04-24 DE DEB52986A patent/DE1193274B/en active Pending
• 1960
  • 1960-03-12 CH CH279960A patent/CH387337A/en unknown
  • 1960-03-31 GB GB1146760A patent/GB887576A/en not_active Expired
  • 1960-04-13 BE BE589699A patent/BE589699A/en unknown

Also Published As

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