FR676810A - Chemical-photographic process for documents requiring identification - Google Patents

Chemical-photographic process for documents requiring identification

Info

Publication number
FR676810A
FR676810A FR676810DA FR676810A FR 676810 A FR676810 A FR 676810A FR 676810D A FR676810D A FR 676810DA FR 676810 A FR676810 A FR 676810A
Authority
FR
France
Prior art keywords
chemical
photographic process
requiring identification
documents requiring
documents
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
Luis Aymat
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 FR676810A publication Critical patent/FR676810A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR676810D 1929-06-18 1929-06-18 Chemical-photographic process for documents requiring identification Expired FR676810A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR676810T 1929-06-18

Publications (1)

Publication Number Publication Date
FR676810A true FR676810A (en) 1930-02-27

Family

ID=9020106

Family Applications (1)

Application Number Title Priority Date Filing Date
FR676810D Expired FR676810A (en) 1929-06-18 1929-06-18 Chemical-photographic process for documents requiring identification

Country Status (1)

Country Link
FR (1) FR676810A (en)

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