GB647913A - - Google Patents

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Publication number
GB647913A
GB647913A GB647913DA GB647913A GB 647913 A GB647913 A GB 647913A GB 647913D A GB647913D A GB 647913DA GB 647913 A GB647913 A GB 647913A
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GB
United Kingdom
Prior art keywords
aperture
month
numbers
disc
frame
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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
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English (en)
Publication of GB647913A publication Critical patent/GB647913A/en
Active legal-status Critical Current

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  • Electromechanical Clocks (AREA)
GB647913D Active GB647913A (enrdf_load_stackoverflow)

Publications (1)

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GB647913A true GB647913A (enrdf_load_stackoverflow)

Family

ID=1749956

Family Applications (1)

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GB647913D Active GB647913A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
GB (1) GB647913A (enrdf_load_stackoverflow)

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