GB438748A - - Google Patents

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Publication number
GB438748A
GB438748A GB438748DA GB438748A GB 438748 A GB438748 A GB 438748A GB 438748D A GB438748D A GB 438748DA GB 438748 A GB438748 A GB 438748A
Authority
GB
United Kingdom
Prior art keywords
objective
sept
screen
film
blank
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 GB438748A publication Critical patent/GB438748A/en
Active legal-status Critical Current

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  • Projection Apparatus (AREA)
GB438748D Active GB438748A (https=)

Publications (1)

Publication Number Publication Date
GB438748A true GB438748A (https=)

Family

ID=1746359

Family Applications (1)

Application Number Title Priority Date Filing Date
GB438748D Active GB438748A (https=)

Country Status (1)

Country Link
GB (1) GB438748A (https=)

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