FR2243521B3 - - Google Patents

Info

Publication number
FR2243521B3
FR2243521B3 FR7430210A FR7430210A FR2243521B3 FR 2243521 B3 FR2243521 B3 FR 2243521B3 FR 7430210 A FR7430210 A FR 7430210A FR 7430210 A FR7430210 A FR 7430210A FR 2243521 B3 FR2243521 B3 FR 2243521B3
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
FR7430210A
Other languages
French (fr)
Other versions
FR2243521A1 (it
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.)
NARVA VEB
Original Assignee
NARVA VEB
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 NARVA VEB filed Critical NARVA VEB
Publication of FR2243521A1 publication Critical patent/FR2243521A1/fr
Application granted granted Critical
Publication of FR2243521B3 publication Critical patent/FR2243521B3/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/35—Vessels; Containers provided with coatings on the walls thereof; Selection of materials for the coatings
FR7430210A 1973-09-06 1974-09-05 Expired FR2243521B3 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD173319A DD105937A1 (it) 1973-09-06 1973-09-06

Publications (2)

Publication Number Publication Date
FR2243521A1 FR2243521A1 (it) 1975-04-04
FR2243521B3 true FR2243521B3 (it) 1977-06-17

Family

ID=5492671

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7430210A Expired FR2243521B3 (it) 1973-09-06 1974-09-05

Country Status (8)

Country Link
CS (1) CS180181B1 (it)
DD (1) DD105937A1 (it)
DE (1) DE2437292A1 (it)
FR (1) FR2243521B3 (it)
IT (1) IT1019156B (it)
NL (1) NL7411795A (it)
SE (1) SE7411319L (it)
SU (1) SU572861A1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4109175A (en) * 1976-03-19 1978-08-22 Matsushita Electronics Corporation High pressure sodium vapor discharge lamp
DE102004011976A1 (de) * 2004-03-10 2005-09-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Leuchtmittel mit einem Schichtsystem zur Reflektierung abgegebener infraroter Strahlung

Also Published As

Publication number Publication date
DD105937A1 (it) 1974-05-12
DE2437292A1 (de) 1975-03-13
NL7411795A (nl) 1975-03-10
SE7411319L (it) 1975-03-07
SU572861A1 (ru) 1977-09-15
FR2243521A1 (it) 1975-04-04
IT1019156B (it) 1977-11-10
CS180181B1 (en) 1977-12-30

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Legal Events

Date Code Title Description
ST Notification of lapse