FR611716A - Improvements in prismatic glassworks for lighting, in particular for street lighting - Google Patents

Improvements in prismatic glassworks for lighting, in particular for street lighting

Info

Publication number
FR611716A
FR611716A FR611716DA FR611716A FR 611716 A FR611716 A FR 611716A FR 611716D A FR611716D A FR 611716DA FR 611716 A FR611716 A FR 611716A
Authority
FR
France
Prior art keywords
lighting
glassworks
prismatic
street
street lighting
Prior art date
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Holophane SAS
Original Assignee
Holophane SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Holophane SAS filed Critical Holophane SAS
Application granted granted Critical
Publication of FR611716A publication Critical patent/FR611716A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • F21V5/02Refractors for light sources of prismatic shape

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR611716D 1926-02-25 1926-02-25 Improvements in prismatic glassworks for lighting, in particular for street lighting Expired FR611716A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR611716T 1926-02-25

Publications (1)

Publication Number Publication Date
FR611716A true FR611716A (en) 1926-10-09

Family

ID=8978290

Family Applications (1)

Application Number Title Priority Date Filing Date
FR611716D Expired FR611716A (en) 1926-02-25 1926-02-25 Improvements in prismatic glassworks for lighting, in particular for street lighting

Country Status (1)

Country Link
FR (1) FR611716A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4952511A (en) * 1987-06-11 1990-08-28 Martek Corporation Photobioreactor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4952511A (en) * 1987-06-11 1990-08-28 Martek Corporation Photobioreactor

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