FR1152659A - Vertical tank for the development with ammonia vapors of documents printed on heliographic papers - Google Patents

Vertical tank for the development with ammonia vapors of documents printed on heliographic papers

Info

Publication number
FR1152659A
FR1152659A FR1152659DA FR1152659A FR 1152659 A FR1152659 A FR 1152659A FR 1152659D A FR1152659D A FR 1152659DA FR 1152659 A FR1152659 A FR 1152659A
Authority
FR
France
Prior art keywords
heliographic
papers
development
vertical tank
ammonia vapors
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
Leonard Luiggi
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 FR1152659A publication Critical patent/FR1152659A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D7/00—Gas processing apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1152659D 1956-04-10 1956-04-10 Vertical tank for the development with ammonia vapors of documents printed on heliographic papers Expired FR1152659A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1152659T 1956-04-10

Publications (1)

Publication Number Publication Date
FR1152659A true FR1152659A (en) 1958-02-21

Family

ID=9648538

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1152659D Expired FR1152659A (en) 1956-04-10 1956-04-10 Vertical tank for the development with ammonia vapors of documents printed on heliographic papers

Country Status (1)

Country Link
FR (1) FR1152659A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4062031A (en) * 1972-09-09 1977-12-06 Hoechst Aktiengesellschaft Apparatus for producing a developer medium for diazotype materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4062031A (en) * 1972-09-09 1977-12-06 Hoechst Aktiengesellschaft Apparatus for producing a developer medium for diazotype materials

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