FR2140823A5 - - Google Patents

Info

Publication number
FR2140823A5
FR2140823A5 FR7120847A FR7120847A FR2140823A5 FR 2140823 A5 FR2140823 A5 FR 2140823A5 FR 7120847 A FR7120847 A FR 7120847A FR 7120847 A FR7120847 A FR 7120847A FR 2140823 A5 FR2140823 A5 FR 2140823A5
Authority
FR
France
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
FR7120847A
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.)
CN OPTICAL ENGINEERING
Original Assignee
CN OPTICAL ENGINEERING
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 CN OPTICAL ENGINEERING filed Critical CN OPTICAL ENGINEERING
Priority to FR7120847A priority Critical patent/FR2140823A5/fr
Application granted granted Critical
Publication of FR2140823A5 publication Critical patent/FR2140823A5/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/02—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor by means of tools with abrading surfaces corresponding in shape with the lenses to be made

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR7120847A 1971-06-09 1971-06-09 Expired FR2140823A5 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7120847A FR2140823A5 (enExample) 1971-06-09 1971-06-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7120847A FR2140823A5 (enExample) 1971-06-09 1971-06-09

Publications (1)

Publication Number Publication Date
FR2140823A5 true FR2140823A5 (enExample) 1973-01-19

Family

ID=9078336

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7120847A Expired FR2140823A5 (enExample) 1971-06-09 1971-06-09

Country Status (1)

Country Link
FR (1) FR2140823A5 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2424101A1 (fr) * 1978-04-25 1979-11-23 Essilor Int Machine pour l'usinage de pieces, en particulier pieces a surface courbe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2424101A1 (fr) * 1978-04-25 1979-11-23 Essilor Int Machine pour l'usinage de pieces, en particulier pieces a surface courbe

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Legal Events

Date Code Title Description
ST Notification of lapse