DE225475C - - Google Patents

Info

Publication number
DE225475C
DE225475C DENDAT225475D DE225475DA DE225475C DE 225475 C DE225475 C DE 225475C DE NDAT225475 D DENDAT225475 D DE NDAT225475D DE 225475D A DE225475D A DE 225475DA DE 225475 C DE225475 C DE 225475C
Authority
DE
Germany
Prior art keywords
lamp
guide
sleeve
weather
indicator lamp
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.)
Active
Application number
DENDAT225475D
Other languages
German (de)
English (en)
Publication of DE225475C publication Critical patent/DE225475C/de
Active legal-status Critical Current

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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21LLIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00Electric lighting devices with self-contained electric batteries or cells
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/22Devices for withdrawing samples in the gaseous state

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Lighters Containing Fuel (AREA)
DENDAT225475D Active DE225475C (ja)

Publications (1)

Publication Number Publication Date
DE225475C true DE225475C (ja)

Family

ID=486112

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT225475D Active DE225475C (ja)

Country Status (1)

Country Link
DE (1) DE225475C (ja)

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