DE234450C - - Google Patents

Info

Publication number
DE234450C
DE234450C DENDAT234450D DE234450DA DE234450C DE 234450 C DE234450 C DE 234450C DE NDAT234450 D DENDAT234450 D DE NDAT234450D DE 234450D A DE234450D A DE 234450DA DE 234450 C DE234450 C DE 234450C
Authority
DE
Germany
Prior art keywords
whistle
plug
cylinder
air pump
pipe
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
DENDAT234450D
Other languages
German (de)
English (en)
Publication of DE234450C publication Critical patent/DE234450C/de
Active legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K5/00—Whistles

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Safety Valves (AREA)
DENDAT234450D Active DE234450C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE234450C true DE234450C (enrdf_load_stackoverflow)

Family

ID=494308

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT234450D Active DE234450C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE234450C (enrdf_load_stackoverflow)

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