BE428651A - - Google Patents

Info

Publication number
BE428651A
BE428651A BE428651DA BE428651A BE 428651 A BE428651 A BE 428651A BE 428651D A BE428651D A BE 428651DA BE 428651 A BE428651 A BE 428651A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE428651A publication Critical patent/BE428651A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
    • F16H47/06—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type
BE428651D 1937-10-05 1938-06-16 BE428651A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2689237A GB488687A (en) 1937-10-05 1937-10-05 Providing cast-iron articles with a cell-like surface

Publications (1)

Publication Number Publication Date
BE428651A true BE428651A (en) 1938-07-30

Family

ID=41682786

Family Applications (1)

Application Number Title Priority Date Filing Date
BE428651D BE428651A (en) 1937-10-05 1938-06-16

Country Status (3)

Country Link
BE (1) BE428651A (en)
CH (1) CH205909A (en)
GB (1) GB488687A (en)

Also Published As

Publication number Publication date
GB488687A (en) 1938-07-12
CH205909A (en) 1939-07-15

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