BE497324A - - Google Patents

Info

Publication number
BE497324A
BE497324A BE497324DA BE497324A BE 497324 A BE497324 A BE 497324A BE 497324D A BE497324D A BE 497324DA BE 497324 A BE497324 A BE 497324A
Authority
BE
Belgium
Prior art keywords
dial
plane
rays
diaphragm
light source
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE497324A publication Critical patent/BE497324A/fr

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/28Structurally-combined illuminating devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Details Of Measuring Devices (AREA)
BE497324D BE497324A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE497324A true BE497324A (enrdf_load_stackoverflow)

Family

ID=140321

Family Applications (1)

Application Number Title Priority Date Filing Date
BE497324D BE497324A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE497324A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561042A (en) * 1983-04-14 1985-12-24 Pforzheimer Uhren-Rohwerke Porta Gmbh & Co. Instrument illuminating arrangement

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561042A (en) * 1983-04-14 1985-12-24 Pforzheimer Uhren-Rohwerke Porta Gmbh & Co. Instrument illuminating arrangement
EP0125476A3 (de) * 1983-04-14 1987-09-30 Pforzheimer Uhren-Rohwerke PORTA GmbH & Co. Instrumentenbeleuchtung

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