BE448520A - - Google Patents

Info

Publication number
BE448520A
BE448520A BE448520DA BE448520A BE 448520 A BE448520 A BE 448520A BE 448520D A BE448520D A BE 448520DA BE 448520 A BE448520 A BE 448520A
Authority
BE
Belgium
Application number
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.)
Publication of BE448520A publication Critical patent/BE448520A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/16—Preparation of alkaline-earth metal aluminates or magnesium aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/164—Calcium aluminates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/30—Electromagnetic relays specially adapted for actuation by AC
    • H01H51/32—Frequency relays; Mechanically-tuned relays

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Manufacture And Refinement Of Metals (AREA)
BE448520D 1942-01-03 BE448520A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK510D DE906218C (de) 1942-01-03 1942-01-03 Verfahren zur Gewinnung von Tonerde

Publications (1)

Publication Number Publication Date
BE448520A true BE448520A (enrdf_load_stackoverflow)

Family

ID=7208496

Family Applications (1)

Application Number Title Priority Date Filing Date
BE448520D BE448520A (enrdf_load_stackoverflow) 1942-01-03

Country Status (3)

Country Link
BE (1) BE448520A (enrdf_load_stackoverflow)
DE (1) DE906218C (enrdf_load_stackoverflow)
FR (1) FR976376A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3507635A1 (de) * 1985-03-05 1986-09-11 Ruhrgas Ag, 4300 Essen Verfahren zum herstellen von kohlegas

Also Published As

Publication number Publication date
FR976376A (fr) 1951-03-16
DE906218C (de) 1954-03-11

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