DE298383C - - Google Patents

Info

Publication number
DE298383C
DE298383C DENDAT298383D DE298383DA DE298383C DE 298383 C DE298383 C DE 298383C DE NDAT298383 D DENDAT298383 D DE NDAT298383D DE 298383D A DE298383D A DE 298383DA DE 298383 C DE298383 C DE 298383C
Authority
DE
Germany
Prior art keywords
acid
coating
wollaston
sounder
spraying
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
DENDAT298383D
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 DE298383C publication Critical patent/DE298383C/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
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/002—Transducers other than those covered by groups H04R9/00 - H04R21/00 using electrothermic-effect transducer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Non-Insulated Conductors (AREA)
  • ing And Chemical Polishing (AREA)
  • Processes Specially Adapted For Manufacturing Cables (AREA)
  • Resistance Heating (AREA)
  • Surface Heating Bodies (AREA)
DENDAT298383D 1915-02-06 Active DE298383C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE191505832X 1915-02-06

Publications (1)

Publication Number Publication Date
DE298383C true DE298383C (enrdf_load_stackoverflow)

Family

ID=32668490

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT298383D Active DE298383C (enrdf_load_stackoverflow) 1915-02-06

Country Status (2)

Country Link
DE (1) DE298383C (enrdf_load_stackoverflow)
GB (1) GB191505832A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
GB191505832A (en) 1916-04-19

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