FR767568A - - Google Patents

Info

Publication number
FR767568A
FR767568A FR767568DA FR767568A FR 767568 A FR767568 A FR 767568A FR 767568D A FR767568D A FR 767568DA FR 767568 A FR767568 A FR 767568A
Authority
FR
France
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.)
Expired
Application number
Other languages
French (fr)
Publication date
Application granted granted Critical
Publication of FR767568A publication Critical patent/FR767568A/fr
Expired 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
    • F21V5/00—Refractors for light sources

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR767568D Expired FR767568A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
FR767568A true FR767568A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1934-07-19

Family

ID=1551551

Family Applications (1)

Application Number Title Priority Date Filing Date
FR767568D Expired FR767568A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
FR (1) FR767568A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985004704A1 (en) * 1984-04-09 1985-10-24 Dr. Ing. Willing Gmbh Floodlight with light intensity adjustment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985004704A1 (en) * 1984-04-09 1985-10-24 Dr. Ing. Willing Gmbh Floodlight with light intensity adjustment

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