DE1251703B - - Google Patents

Info

Publication number
DE1251703B
DE1251703B DEB66738A DE1251703DA DE1251703B DE 1251703 B DE1251703 B DE 1251703B DE B66738 A DEB66738 A DE B66738A DE 1251703D A DE1251703D A DE 1251703DA DE 1251703 B DE1251703 B DE 1251703B
Authority
DE
Germany
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
DEB66738A
Other languages
German (de)
Publication of DE1251703B publication Critical patent/DE1251703B/de
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/06—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using crossed laminae or strips, e.g. grid-shaped louvers; using lattices or honeycombs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
DEB66738A Withdrawn DE1251703B (it)

Publications (1)

Publication Number Publication Date
DE1251703B true DE1251703B (it)

Family

ID=604973

Family Applications (1)

Application Number Title Priority Date Filing Date
DEB66738A Withdrawn DE1251703B (it)

Country Status (1)

Country Link
DE (1) DE1251703B (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3798443A (en) * 1972-01-27 1974-03-19 C Bartenbach Light distributing ceiling structure
DE3030080A1 (de) * 1980-08-08 1982-02-25 Siemens AG, 1000 Berlin und 8000 München Langgestreckte arbeitsplatzleuchte

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3798443A (en) * 1972-01-27 1974-03-19 C Bartenbach Light distributing ceiling structure
DE3030080A1 (de) * 1980-08-08 1982-02-25 Siemens AG, 1000 Berlin und 8000 München Langgestreckte arbeitsplatzleuchte

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee