FR678481A - - Google Patents

Info

Publication number
FR678481A
FR678481A FR678481DA FR678481A FR 678481 A FR678481 A FR 678481A FR 678481D A FR678481D A FR 678481DA FR 678481 A FR678481 A FR 678481A
Authority
FR
France
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.)
Expired
Application number
Other languages
French (fr)
Publication date
Application granted granted Critical
Publication of FR678481A publication Critical patent/FR678481A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR678481D Expired FR678481A (cg-RX-API-DMAC10.html)

Publications (1)

Publication Number Publication Date
FR678481A true FR678481A (cg-RX-API-DMAC10.html) 1930-03-22

Family

ID=1543715

Family Applications (1)

Application Number Title Priority Date Filing Date
FR678481D Expired FR678481A (cg-RX-API-DMAC10.html)

Country Status (1)

Country Link
FR (1) FR678481A (cg-RX-API-DMAC10.html)

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