DE261819C - - Google Patents

Info

Publication number
DE261819C
DE261819C DENDAT261819D DE261819DA DE261819C DE 261819 C DE261819 C DE 261819C DE NDAT261819 D DENDAT261819 D DE NDAT261819D DE 261819D A DE261819D A DE 261819DA DE 261819 C DE261819 C DE 261819C
Authority
DE
Germany
Prior art keywords
expedient
hydrogen
compounds
production
patent application
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
DENDAT261819D
Other languages
German (de)
English (en)
Publication of DE261819C publication Critical patent/DE261819C/de
Active legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/36—Obtaining tungsten

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Chemical Vapour Deposition (AREA)
DENDAT261819D Active DE261819C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE261819C true DE261819C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=519347

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT261819D Active DE261819C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE261819C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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