FR2528580B3 - - Google Patents

Info

Publication number
FR2528580B3
FR2528580B3 FR8210547A FR8210547A FR2528580B3 FR 2528580 B3 FR2528580 B3 FR 2528580B3 FR 8210547 A FR8210547 A FR 8210547A FR 8210547 A FR8210547 A FR 8210547A FR 2528580 B3 FR2528580 B3 FR 2528580B3
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
FR8210547A
Other languages
French (fr)
Other versions
FR2528580A1 (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.)
FREDIANI JEAN
Original Assignee
FREDIANI JEAN
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 FREDIANI JEAN filed Critical FREDIANI JEAN
Priority to FR8210547A priority Critical patent/FR2528580A1/fr
Publication of FR2528580A1 publication Critical patent/FR2528580A1/fr
Application granted granted Critical
Publication of FR2528580B3 publication Critical patent/FR2528580B3/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/87—Investigating jewels

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR8210547A 1982-06-14 1982-06-14 Appareil mesurant la transparence aux ultraviolets courts pour tester des pierres Granted FR2528580A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8210547A FR2528580A1 (fr) 1982-06-14 1982-06-14 Appareil mesurant la transparence aux ultraviolets courts pour tester des pierres

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8210547A FR2528580A1 (fr) 1982-06-14 1982-06-14 Appareil mesurant la transparence aux ultraviolets courts pour tester des pierres

Publications (2)

Publication Number Publication Date
FR2528580A1 FR2528580A1 (fr) 1983-12-16
FR2528580B3 true FR2528580B3 (it) 1985-03-22

Family

ID=9275082

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8210547A Granted FR2528580A1 (fr) 1982-06-14 1982-06-14 Appareil mesurant la transparence aux ultraviolets courts pour tester des pierres

Country Status (1)

Country Link
FR (1) FR2528580A1 (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9210674D0 (en) * 1992-05-19 1992-07-01 Gersan Ets Method and apparatus for examining an object
GB2286251B (en) * 1994-01-25 1997-07-09 Gersan Ets Examining a diamond for synthetic diamond
GB9418049D0 (en) * 1994-09-07 1994-10-26 Gersan Ets Examining a diamond
US5811817A (en) * 1996-04-25 1998-09-22 Ravich; Gilbert Norman Method & apparatus for detecting fracture filled diamonds
BE1016537A3 (nl) * 2004-11-10 2007-01-09 Wetenschappelijk En Tech Onder Werkwijze voor het onderscheiden van kleurloze en bijna kleurloze diamanten en opstelling voor het uitvoeren van deze werkwijze.
CN111103263B (zh) * 2018-10-26 2022-01-21 宁波方太厨具有限公司 一种测试玻璃涂层防雾性能的装置
CN111103264B (zh) * 2018-10-26 2022-01-21 宁波方太厨具有限公司 一种测试玻璃涂层防雾性能的方法

Also Published As

Publication number Publication date
FR2528580A1 (fr) 1983-12-16

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Legal Events

Date Code Title Description
ST Notification of lapse
BR Restoration of rights
ST Notification of lapse