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FR1042096A - Appareil optique d'observation - Google Patents

Appareil optique d'observation

Info

Publication number
FR1042096A
FR1042096A FR1042096DA FR1042096A FR 1042096 A FR1042096 A FR 1042096A FR 1042096D A FR1042096D A FR 1042096DA FR 1042096 A FR1042096 A FR 1042096A
Authority
FR
France
Prior art keywords
observation device
optical observation
optical
observation
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
English (en)
Inventor
Antonio Mendonca Horta
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 filed Critical
Application granted granted Critical
Publication of FR1042096A publication Critical patent/FR1042096A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
    • E06B7/30—Peep-holes; Devices for speaking through; Doors having windows

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
FR1042096D 1951-04-10 1951-09-11 Appareil optique d'observation Expired FR1042096A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1042096X 1951-04-10

Publications (1)

Publication Number Publication Date
FR1042096A true FR1042096A (fr) 1953-10-28

Family

ID=10869911

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1042096D Expired FR1042096A (fr) 1951-04-10 1951-09-11 Appareil optique d'observation

Country Status (1)

Country Link
FR (1) FR1042096A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1152242B (de) * 1956-04-17 1963-08-01 Wolf Rosenthal Tuergucker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1152242B (de) * 1956-04-17 1963-08-01 Wolf Rosenthal Tuergucker

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