DE227823C - - Google Patents

Info

Publication number
DE227823C
DE227823C DENDAT227823D DE227823DA DE227823C DE 227823 C DE227823 C DE 227823C DE NDAT227823 D DENDAT227823 D DE NDAT227823D DE 227823D A DE227823D A DE 227823DA DE 227823 C DE227823 C DE 227823C
Authority
DE
Germany
Prior art keywords
mouthpiece
glaze
similar
clay
liquid
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
DENDAT227823D
Other languages
German (de)
English (en)
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.)
Publication of DE227823C publication Critical patent/DE227823C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/12—Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Knitting Machines (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
DENDAT227823D 1908-10-31 Active DE227823C (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190823269T 1908-10-31

Publications (1)

Publication Number Publication Date
DE227823C true DE227823C (fi)

Family

ID=32210312

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT227823D Active DE227823C (fi) 1908-10-31

Country Status (3)

Country Link
DE (1) DE227823C (fi)
FR (1) FR407395A (fi)
GB (1) GB190823269A (fi)

Also Published As

Publication number Publication date
GB190823269A (en) 1909-03-18
FR407395A (fi)

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