FR674839A - Natural or artificial lighting system, of all premises or open or closed spaces - Google Patents

Natural or artificial lighting system, of all premises or open or closed spaces

Info

Publication number
FR674839A
FR674839A FR674839DA FR674839A FR 674839 A FR674839 A FR 674839A FR 674839D A FR674839D A FR 674839DA FR 674839 A FR674839 A FR 674839A
Authority
FR
France
Prior art keywords
premises
natural
open
lighting system
artificial 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)
Inventor
Henri Sauvage
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 filed Critical
Application granted granted Critical
Publication of FR674839A publication Critical patent/FR674839A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S11/00—Non-electric lighting devices or systems using daylight
FR674839D 1928-09-21 1928-09-21 Natural or artificial lighting system, of all premises or open or closed spaces Expired FR674839A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR674839T 1928-09-21

Publications (1)

Publication Number Publication Date
FR674839A true FR674839A (en) 1930-02-03

Family

ID=9018976

Family Applications (1)

Application Number Title Priority Date Filing Date
FR674839D Expired FR674839A (en) 1928-09-21 1928-09-21 Natural or artificial lighting system, of all premises or open or closed spaces

Country Status (1)

Country Link
FR (1) FR674839A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0085942A1 (en) * 1982-02-09 1983-08-17 Kei Mori Lighting system for building

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0085942A1 (en) * 1982-02-09 1983-08-17 Kei Mori Lighting system for building

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