DE297947C - - Google Patents

Info

Publication number
DE297947C
DE297947C DENDAT297947D DE297947DA DE297947C DE 297947 C DE297947 C DE 297947C DE NDAT297947 D DENDAT297947 D DE NDAT297947D DE 297947D A DE297947D A DE 297947DA DE 297947 C DE297947 C DE 297947C
Authority
DE
Germany
Prior art keywords
straits
fairway
bays
moving
resistance
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
DENDAT297947D
Other languages
German (de)
English (en)
Publication of DE297947C publication Critical patent/DE297947C/de
Active legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/02—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with propagation of electric current

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
DENDAT297947D Active DE297947C (https=)

Publications (1)

Publication Number Publication Date
DE297947C true DE297947C (https=)

Family

ID=552199

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT297947D Active DE297947C (https=)

Country Status (1)

Country Link
DE (1) DE297947C (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5206640A (en) * 1991-02-01 1993-04-27 Esko Hirvonen Surveillance system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5206640A (en) * 1991-02-01 1993-04-27 Esko Hirvonen Surveillance system

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