GB364559A - - Google Patents

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Publication number
GB364559A
GB364559A GB364559DA GB364559A GB 364559 A GB364559 A GB 364559A GB 364559D A GB364559D A GB 364559DA GB 364559 A GB364559 A GB 364559A
Authority
GB
United Kingdom
Prior art keywords
objective
positive
plane
filter
image
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.)
Active
Application number
Other languages
English (en)
Publication of GB364559A publication Critical patent/GB364559A/en
Active legal-status Critical Current

Links

Landscapes

  • Variable Magnification In Projection-Type Copying Machines (AREA)
GB364559D Active GB364559A (https=)

Publications (1)

Publication Number Publication Date
GB364559A true GB364559A (https=)

Family

ID=1744588

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
GB (1) GB364559A (https=)

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