FR427101A - Ondometer - Google Patents

Ondometer

Info

Publication number
FR427101A
FR427101A FR427101DA FR427101A FR 427101 A FR427101 A FR 427101A FR 427101D A FR427101D A FR 427101DA FR 427101 A FR427101 A FR 427101A
Authority
FR
France
Prior art keywords
ondometer
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Richard Hirsch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dr Erich F Huth GmbH
Original Assignee
Dr Erich F Huth GmbH
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.)
Filing date
Publication date
Application filed by Dr Erich F Huth GmbH filed Critical Dr Erich F Huth GmbH
Application granted granted Critical
Publication of FR427101A publication Critical patent/FR427101A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR427101D 1911-03-09 1911-03-09 Ondometer Expired FR427101A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR427101T 1911-03-09

Publications (1)

Publication Number Publication Date
FR427101A true FR427101A (en) 1911-07-27

Family

ID=1469614

Family Applications (1)

Application Number Title Priority Date Filing Date
FR427101D Expired FR427101A (en) 1911-03-09 1911-03-09 Ondometer

Country Status (1)

Country Link
FR (1) FR427101A (en)

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