BE450642A - - Google Patents

Info

Publication number
BE450642A
BE450642A BE450642DA BE450642A BE 450642 A BE450642 A BE 450642A BE 450642D A BE450642D A BE 450642DA BE 450642 A BE450642 A BE 450642A
Authority
BE
Belgium
Prior art keywords
emi
box
gas
instrument
mining
Prior art date
Application number
Other languages
English (en)
French (fr)
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
Priority claimed from DEM5035D external-priority patent/DE864687C/de
Priority claimed from DEM5034D external-priority patent/DE890935C/de
Priority claimed from DEM5032D external-priority patent/DE890934C/de
Application filed filed Critical
Publication of BE450642A publication Critical patent/BE450642A/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B31/00—Containers or portable cabins for affording breathing protection with devices for reconditioning the breathing air or for ventilating, in particular those that are suitable for invalids or small children

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Sampling And Sample Adjustment (AREA)
BE450642D 1940-02-02 1943-05-15 BE450642A (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEM5035D DE864687C (de) 1940-02-02 1940-02-02 Hilfsvorrichtung fuer Schiessarbeiten
DEM5034D DE890935C (de) 1940-02-02 1941-01-12 Transportable Hilfsvorrichtung fuer Schiessarbeiten, insbesondere im Grubenbetrieb
DEM5032D DE890934C (de) 1940-02-02 1941-03-11 Hilfsvorrichtung fuer Schiessarbeiten, insbesondere im Grubenbetrieb

Publications (1)

Publication Number Publication Date
BE450642A true BE450642A (de) 1943-06-30

Family

ID=35148865

Family Applications (1)

Application Number Title Priority Date Filing Date
BE450642D BE450642A (de) 1940-02-02 1943-05-15

Country Status (1)

Country Link
BE (1) BE450642A (de)

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