FR787877A - Improvement in the constitution of the gas atmosphere of electric lamps - Google Patents

Improvement in the constitution of the gas atmosphere of electric lamps

Info

Publication number
FR787877A
FR787877A FR787877DA FR787877A FR 787877 A FR787877 A FR 787877A FR 787877D A FR787877D A FR 787877DA FR 787877 A FR787877 A FR 787877A
Authority
FR
France
Prior art keywords
constitution
improvement
gas atmosphere
electric lamps
lamps
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
Hirtz Emile Philippe
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 FR787877A publication Critical patent/FR787877A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/52Means for obtaining or maintaining the desired pressure within the vessel
    • H01K1/54Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
    • H01K1/56Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering characterised by the material of the getter
FR787877D 1934-06-26 1934-06-26 Improvement in the constitution of the gas atmosphere of electric lamps Expired FR787877A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR787877T 1934-06-26

Publications (1)

Publication Number Publication Date
FR787877A true FR787877A (en) 1935-09-30

Family

ID=9219193

Family Applications (1)

Application Number Title Priority Date Filing Date
FR787877D Expired FR787877A (en) 1934-06-26 1934-06-26 Improvement in the constitution of the gas atmosphere of electric lamps

Country Status (1)

Country Link
FR (1) FR787877A (en)

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