BE747359A - Trapeze de navigation - Google Patents

Trapeze de navigation

Info

Publication number
BE747359A
BE747359A BE747359DA BE747359A BE 747359 A BE747359 A BE 747359A BE 747359D A BE747359D A BE 747359DA BE 747359 A BE747359 A BE 747359A
Authority
BE
Belgium
Prior art keywords
keystone
navigation
navigation keystone
Prior art date
Application number
Other languages
English (en)
Original Assignee
Barros Fernando De
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 Barros Fernando De filed Critical Barros Fernando De
Publication of BE747359A publication Critical patent/BE747359A/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/20—Instruments for performing navigational calculations

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Instructional Devices (AREA)
  • Drawing Aids And Blackboards (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
BE747359D 1969-03-13 1970-03-13 Trapeze de navigation BE747359A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT5134169 1969-03-13

Publications (1)

Publication Number Publication Date
BE747359A true BE747359A (fr) 1970-08-17

Family

ID=20081689

Family Applications (1)

Application Number Title Priority Date Filing Date
BE747359D BE747359A (fr) 1969-03-13 1970-03-13 Trapeze de navigation

Country Status (7)

Country Link
BE (1) BE747359A (fr)
CH (1) CH516788A (fr)
DE (1) DE2011821B2 (fr)
DK (1) DK130371B (fr)
FR (1) FR2038929A5 (fr)
GB (1) GB1296886A (fr)
NL (1) NL7003581A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8613750D0 (en) * 1986-06-06 1986-07-09 Macleod I Depth gauge
GB2191593B (en) * 1986-06-13 1990-04-25 Liu Bao Shen Angle measuring instrument
GB8615824D0 (en) * 1986-06-27 1986-08-06 Smiths Industries Plc Parallel protractor rules
GB9001887D0 (en) * 1990-01-26 1990-03-28 Forshaw Whittaker Christopher Ophthalmic measurer and templates
GB2291717A (en) * 1994-07-15 1996-01-31 John Mary Patrick Broderick Device for measuring and indicating angles
CN105620126B (zh) * 2016-02-22 2017-10-31 桂林航天工业学院 一种快速准确多用途绘图仪
CN113561683B (zh) * 2021-08-27 2022-02-22 中国人民解放军军事科学院国防科技创新研究院 一种航海标绘装置及使用方法

Also Published As

Publication number Publication date
DE2011821C3 (fr) 1974-05-30
CH516788A (fr) 1971-12-15
NL7003581A (fr) 1970-09-15
FR2038929A5 (fr) 1971-01-08
GB1296886A (fr) 1972-11-22
DE2011821A1 (de) 1970-10-08
DK130371B (da) 1975-02-10
DE2011821B2 (de) 1973-10-31
DK130371C (fr) 1975-07-07

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