BE391977A - - Google Patents

Info

Publication number
BE391977A
BE391977A BE391977DA BE391977A BE 391977 A BE391977 A BE 391977A BE 391977D A BE391977D A BE 391977DA BE 391977 A BE391977 A BE 391977A
Authority
BE
Belgium
Application number
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.)
Publication of BE391977A publication Critical patent/BE391977A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/02—Softening water by precipitation of the hardness
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C11/00—Auxiliary processes in photography
    • G03C11/06—Smoothing; Renovating; Roughening; Matting; Cleaning; Lubricating; Flame-retardant treatments

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
BE391977D 1931-10-31 BE391977A (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR744313T
US393465XA 1931-10-31 1931-10-31

Publications (1)

Publication Number Publication Date
BE391977A true BE391977A (enrdf_load_stackoverflow)

Family

ID=78669013

Family Applications (1)

Application Number Title Priority Date Filing Date
BE391977D BE391977A (enrdf_load_stackoverflow) 1931-10-31

Country Status (3)

Country Link
BE (1) BE391977A (enrdf_load_stackoverflow)
FR (1) FR744313A (enrdf_load_stackoverflow)
GB (1) GB393465A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749969C (de) * 1937-11-28 1944-12-12 Felix Anthony Benetzungsfluessigkeit fuer Filme

Also Published As

Publication number Publication date
FR744313A (enrdf_load_stackoverflow) 1933-04-14
GB393465A (en) 1933-06-08

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