DE753174A - - Google Patents

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Publication number

DE753174A

DE753174A DE753174A DE 753174 A DE753174 A DE 753174A DE 753174 A DE753174 A DE 753174A

Authority

DE

Germany

Prior art keywords

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values

distance

aperture

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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.)

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