NL7007682A - - Google Patents

Info

Publication number
NL7007682A
NL7007682A NL7007682A NL7007682A NL7007682A NL 7007682 A NL7007682 A NL 7007682A NL 7007682 A NL7007682 A NL 7007682A NL 7007682 A NL7007682 A NL 7007682A NL 7007682 A NL7007682 A NL 7007682A
Authority
NL
Netherlands
Application number
NL7007682A
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
Publication of NL7007682A publication Critical patent/NL7007682A/xx

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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/10—Projectors with built-in or built-on screen
    • G03B21/11—Projectors with built-in or built-on screen for microfilm reading
    • G03B21/111—Projectors with built-in or built-on screen for microfilm reading of roll films

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
NL7007682A 1969-06-02 1970-05-27 NL7007682A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US82940169A 1969-06-02 1969-06-02
US82940069A 1969-06-02 1969-06-02
US82939669A 1969-06-02 1969-06-02

Publications (1)

Publication Number Publication Date
NL7007682A true NL7007682A (fr) 1970-12-04

Family

ID=27420211

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7007682A NL7007682A (fr) 1969-06-02 1970-05-27

Country Status (5)

Country Link
BE (1) BE751310A (fr)
DE (1) DE2027080A1 (fr)
FR (1) FR2049701A5 (fr)
GB (1) GB1304764A (fr)
NL (1) NL7007682A (fr)

Also Published As

Publication number Publication date
BE751310A (fr) 1970-12-02
DE2027080A1 (de) 1970-12-10
FR2049701A5 (fr) 1971-03-26
GB1304764A (fr) 1973-01-31

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