FR356370A - Twin - Google Patents

Twin

Info

Publication number
FR356370A
FR356370A FR356370DA FR356370A FR 356370 A FR356370 A FR 356370A FR 356370D A FR356370D A FR 356370DA FR 356370 A FR356370 A FR 356370A
Authority
FR
France
Prior art keywords
twin
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
French (fr)
Inventor
Jules-Cesar Koch
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.)
JULES CESAR KOCH
Original Assignee
JULES CESAR KOCH
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 JULES CESAR KOCH filed Critical JULES CESAR KOCH
Application granted granted Critical
Publication of FR356370A publication Critical patent/FR356370A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR356370D 1905-07-24 1905-07-24 Twin Expired FR356370A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR356370T 1905-07-24

Publications (1)

Publication Number Publication Date
FR356370A true FR356370A (en) 1905-11-28

Family

ID=1404334

Family Applications (1)

Application Number Title Priority Date Filing Date
FR356370D Expired FR356370A (en) 1905-07-24 1905-07-24 Twin

Country Status (1)

Country Link
FR (1) FR356370A (en)

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