BE393144A - - Google Patents

Info

Publication number
BE393144A
BE393144A BE393144DA BE393144A BE 393144 A BE393144 A BE 393144A BE 393144D A BE393144D A BE 393144DA BE 393144 A BE393144 A BE 393144A
Authority
BE
Belgium
Prior art keywords
cell
magnet
current
coils
coil
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE393144A publication Critical patent/BE393144A/fr

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/42Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/4209Photoelectric exposure meters for determining the exposure time in recording or reproducing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Secondary Cells (AREA)
BE393144D BE393144A (forum.php)

Publications (1)

Publication Number Publication Date
BE393144A true BE393144A (forum.php)

Family

ID=60637

Family Applications (1)

Application Number Title Priority Date Filing Date
BE393144D BE393144A (forum.php)

Country Status (1)

Country Link
BE (1) BE393144A (forum.php)

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