FR1283551A - Protection device - Google Patents

Protection device

Info

Publication number
FR1283551A
FR1283551A FR855213A FR855213A FR1283551A FR 1283551 A FR1283551 A FR 1283551A FR 855213 A FR855213 A FR 855213A FR 855213 A FR855213 A FR 855213A FR 1283551 A FR1283551 A FR 1283551A
Authority
FR
France
Prior art keywords
protection device
protection
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
FR855213A
Other languages
French (fr)
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.)
Rheinpreussen AG fuer Bergbau und Chemie
Original Assignee
Rheinpreussen AG fuer Bergbau und Chemie
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 Rheinpreussen AG fuer Bergbau und Chemie filed Critical Rheinpreussen AG fuer Bergbau und Chemie
Priority to FR855213A priority Critical patent/FR1283551A/en
Application granted granted Critical
Publication of FR1283551A publication Critical patent/FR1283551A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR855213A 1961-03-10 1961-03-10 Protection device Expired FR1283551A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR855213A FR1283551A (en) 1961-03-10 1961-03-10 Protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR855213A FR1283551A (en) 1961-03-10 1961-03-10 Protection device

Publications (1)

Publication Number Publication Date
FR1283551A true FR1283551A (en) 1962-02-02

Family

ID=8750574

Family Applications (1)

Application Number Title Priority Date Filing Date
FR855213A Expired FR1283551A (en) 1961-03-10 1961-03-10 Protection device

Country Status (1)

Country Link
FR (1) FR1283551A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438290A1 (en) * 1978-10-04 1980-04-30 Sade Travaux Hydraulique Plumb line positioning system for waste water pipe - uses sleeve with viewing window adjacent index point to avoid disturbing water

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438290A1 (en) * 1978-10-04 1980-04-30 Sade Travaux Hydraulique Plumb line positioning system for waste water pipe - uses sleeve with viewing window adjacent index point to avoid disturbing water

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