DE127679C - - Google Patents

Info

Publication number
DE127679C
DE127679C DENDAT127679D DE127679DA DE127679C DE 127679 C DE127679 C DE 127679C DE NDAT127679 D DENDAT127679 D DE NDAT127679D DE 127679D A DE127679D A DE 127679DA DE 127679 C DE127679 C DE 127679C
Authority
DE
Germany
Prior art keywords
bell
bells
double
same time
lamp
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.)
Active
Application number
DENDAT127679D
Other languages
German (de)
English (en)
Publication of DE127679C publication Critical patent/DE127679C/de
Active legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/28Envelopes; Vessels
    • H01K1/34Double wall vessels
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Landscapes

  • Resistance Heating (AREA)
DENDAT127679D Active DE127679C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE127679C true DE127679C (enrdf_load_stackoverflow)

Family

ID=396258

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT127679D Active DE127679C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE127679C (enrdf_load_stackoverflow)

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