BE335885A - - Google Patents

Info

Publication number
BE335885A
BE335885A BE335885DA BE335885A BE 335885 A BE335885 A BE 335885A BE 335885D A BE335885D A BE 335885DA BE 335885 A BE335885 A BE 335885A
Authority
BE
Belgium
Prior art keywords
couple
lamp
flame
firedamp
metal mass
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE335885A publication Critical patent/BE335885A/fr

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21LLIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L23/00Non-electric hand-lamps for miners

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Thermally Actuated Switches (AREA)
BE335885D BE335885A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE335885A true BE335885A (enrdf_load_stackoverflow)

Family

ID=14254

Family Applications (1)

Application Number Title Priority Date Filing Date
BE335885D BE335885A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE335885A (enrdf_load_stackoverflow)

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