BE545243A - - Google Patents

Info

Publication number
BE545243A
BE545243A BE545243DA BE545243A BE 545243 A BE545243 A BE 545243A BE 545243D A BE545243D A BE 545243DA BE 545243 A BE545243 A BE 545243A
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 BE545243A publication Critical patent/BE545243A/xx

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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • C22B1/10—Roasting processes in fluidised form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Signal Processing (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Telephonic Communication Services (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
BE545243D 1955-02-17 BE545243A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE795831X 1955-02-17

Publications (1)

Publication Number Publication Date
BE545243A true BE545243A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Family

ID=20339769

Family Applications (1)

Application Number Title Priority Date Filing Date
BE545243D BE545243A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1955-02-17

Country Status (4)

Country Link
US (1) US2915592A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
BE (1) BE545243A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR (1) FR1142117A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
GB (1) GB795831A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1907660A (en) * 1930-03-12 1933-05-09 Siemens Ag Telephone substation circuit
US1993780A (en) * 1931-02-11 1935-03-12 Bell Telephone Labor Inc Telephone substation equipment
BE435545A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) * 1938-07-22
US2341711A (en) * 1942-09-02 1944-02-15 Bell Telephone Labor Inc Telephone circuit
US2394275A (en) * 1942-12-04 1946-02-05 Autophon Ag Device for switching-in and disconnecting signal apparatus
NL77436C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) * 1947-11-04

Also Published As

Publication number Publication date
US2915592A (en) 1959-12-01
FR1142117A (fr) 1957-09-13
GB795831A (en) 1958-05-28

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