FR652323A - Perfectionnements aux lunettes pancratiques - Google Patents

Perfectionnements aux lunettes pancratiques

Info

Publication number
FR652323A
FR652323A FR652323DA FR652323A FR 652323 A FR652323 A FR 652323A FR 652323D A FR652323D A FR 652323DA FR 652323 A FR652323 A FR 652323A
Authority
FR
France
Prior art keywords
pancreatic
glasses
pancreatic glasses
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)
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.)
KRAUSS SOC D Ets
Original Assignee
KRAUSS SOC D Ets
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 KRAUSS SOC D Ets filed Critical KRAUSS SOC D Ets
Application granted granted Critical
Publication of FR652323A publication Critical patent/FR652323A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
    • G02B15/04—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR652323D 1928-04-06 1928-04-06 Perfectionnements aux lunettes pancratiques Expired FR652323A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR652323T 1928-04-06

Publications (1)

Publication Number Publication Date
FR652323A true FR652323A (fr) 1929-03-07

Family

ID=9005167

Family Applications (1)

Application Number Title Priority Date Filing Date
FR652323D Expired FR652323A (fr) 1928-04-06 1928-04-06 Perfectionnements aux lunettes pancratiques

Country Status (1)

Country Link
FR (1) FR652323A (fr)

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