DE108972C - - Google Patents

Info

Publication number
DE108972C
DE108972C DENDAT108972D DE108972DA DE108972C DE 108972 C DE108972 C DE 108972C DE NDAT108972 D DENDAT108972 D DE NDAT108972D DE 108972D A DE108972D A DE 108972DA DE 108972 C DE108972 C DE 108972C
Authority
DE
Germany
Prior art keywords
osmium
cylinders
metal
platinum
precious metal
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
DENDAT108972D
Other languages
German (de)
English (en)
Publication of DE108972C publication Critical patent/DE108972C/de
Active legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K3/00Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/02Manufacture of incandescent bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)
DENDAT108972D Active DE108972C (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
DE108972C true DE108972C (cg-RX-API-DMAC7.html)

Family

ID=378907

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT108972D Active DE108972C (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
DE (1) DE108972C (cg-RX-API-DMAC7.html)

Similar Documents

Publication Publication Date Title
DE1421912A1 (de) Gegen hohe Temperaturen widerstandsfaehiges,glasiges Material und Verfahren zu seiner Herstellung
DE108972C (cg-RX-API-DMAC7.html)
DE402153C (de) Herstellung von Glanzkohle
DE467675C (de) Gluehkathode fuer Entladungsgefaesse
DE602011C (de) Elektrische Entladungsroehre, insbesondere zum Aussenden von Lichtstrahlen, die ein schwer verdampfbares Metall enthaelt
DE589449C (de) Verwendung von Platin- oder Platinmetallegierungen fuer Gegenstaende, die hohen Temperaturen ausgesetzt werden
DE291994C (cg-RX-API-DMAC7.html)
DE140143C (cg-RX-API-DMAC7.html)
DE271730C (cg-RX-API-DMAC7.html)
DE138135C (cg-RX-API-DMAC7.html)
DE536691C (de) Weichlot
DE4233133C1 (de) Verwendung palladiumfreier, hochgoldhaltiger Dentallegierungen
DE25448C (de) Verfahren zur Herstellung von Glühiichtfampen
DE238128C (cg-RX-API-DMAC7.html)
AT154117B (de) Blaugoldlegierung.
DE272347C (cg-RX-API-DMAC7.html)
DE222834C (cg-RX-API-DMAC7.html)
DE452865C (de) Gezogener Draht aus Wolfram oder anderen schwer schmelzbaren Metallen
DE899391C (de) Psitive Starklichtbogen-Elektrode mit Beck-Effekt
DE88441C (cg-RX-API-DMAC7.html)
DE664702C (de) Vorwiegend aus Wolfram bestehendes Metallpulver zur Herstellung von insbesondere dickfaedigen Wolframgluehkoerpern elektrischer Gluehlampen
DE111240C (cg-RX-API-DMAC7.html)
DE205499C (cg-RX-API-DMAC7.html)
DE289543C (cg-RX-API-DMAC7.html)
DE116544C (cg-RX-API-DMAC7.html)