DE137569C - - Google Patents

Info

Publication number
DE137569C
DE137569C DENDAT137569D DE137569DA DE137569C DE 137569 C DE137569 C DE 137569C DE NDAT137569 D DENDAT137569 D DE NDAT137569D DE 137569D A DE137569D A DE 137569DA DE 137569 C DE137569 C DE 137569C
Authority
DE
Germany
Prior art keywords
nitrogen
earth metals
vacuum
luminous
metals
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
DENDAT137569D
Other languages
German (de)
English (en)
Publication of DE137569C publication Critical patent/DE137569C/de
Active legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/02Incandescent bodies
    • H01K1/04Incandescent bodies characterised by the material thereof
    • H01K1/10Bodies of metal or carbon combined with other substance

Landscapes

  • Luminescent Compositions (AREA)
DENDAT137569D Active DE137569C (https=)

Publications (1)

Publication Number Publication Date
DE137569C true DE137569C (https=)

Family

ID=405441

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT137569D Active DE137569C (https=)

Country Status (1)

Country Link
DE (1) DE137569C (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4540085A (en) * 1981-06-24 1985-09-10 F. L. Smidth & Co. Device for raking a storage heap

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4540085A (en) * 1981-06-24 1985-09-10 F. L. Smidth & Co. Device for raking a storage heap

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