FR648658A - Sidechromic attack method - Google Patents

Sidechromic attack method

Info

Publication number
FR648658A
FR648658A FR648658DA FR648658A FR 648658 A FR648658 A FR 648658A FR 648658D A FR648658D A FR 648658DA FR 648658 A FR648658 A FR 648658A
Authority
FR
France
Prior art keywords
sidechromic
attack method
attack
sidechromic attack
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Emil Hene
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.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR648658A publication Critical patent/FR648658A/en
Expired 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
    • C22B34/32—Obtaining chromium

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR648658D 1927-02-11 1928-02-11 Sidechromic attack method Expired FR648658A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE648658X 1927-02-11

Publications (1)

Publication Number Publication Date
FR648658A true FR648658A (en) 1928-12-12

Family

ID=6581158

Family Applications (1)

Application Number Title Priority Date Filing Date
FR648658D Expired FR648658A (en) 1927-02-11 1928-02-11 Sidechromic attack method

Country Status (1)

Country Link
FR (1) FR648658A (en)

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