FR823963A - Perfectionnements aux autocolimateurs - Google Patents

Perfectionnements aux autocolimateurs

Info

Publication number
FR823963A
FR823963A FR823963DA FR823963A FR 823963 A FR823963 A FR 823963A FR 823963D A FR823963D A FR 823963DA FR 823963 A FR823963 A FR 823963A
Authority
FR
France
Prior art keywords
autocolimators
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
Emonot Marcel
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 FR823963A publication Critical patent/FR823963A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • G02B5/126—Reflex reflectors including curved refracting surface

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR823963D 1937-07-06 1937-07-06 Perfectionnements aux autocolimateurs Expired FR823963A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR823963T 1937-07-06

Publications (1)

Publication Number Publication Date
FR823963A true FR823963A (fr) 1938-01-29

Family

ID=9281598

Family Applications (1)

Application Number Title Priority Date Filing Date
FR823963D Expired FR823963A (fr) 1937-07-06 1937-07-06 Perfectionnements aux autocolimateurs

Country Status (1)

Country Link
FR (1) FR823963A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2666373A (en) * 1950-06-29 1954-01-19 Elbert C Mattson Traffic marker
US2708858A (en) * 1950-10-16 1955-05-24 Columbia Basin Plasties Compan Reflecting marker
US4389035A (en) * 1980-11-06 1983-06-21 Freeman James D Hanger-type ceiling-attachable support having self-dispensing cement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2666373A (en) * 1950-06-29 1954-01-19 Elbert C Mattson Traffic marker
US2708858A (en) * 1950-10-16 1955-05-24 Columbia Basin Plasties Compan Reflecting marker
US4389035A (en) * 1980-11-06 1983-06-21 Freeman James D Hanger-type ceiling-attachable support having self-dispensing cement

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