Catalogue description Enemy Sigint successes against Allied communications

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Details of HW 40/258
Reference: HW 40/258

Enemy Sigint successes against Allied communications

Date: 1941 Nov 01 - 1946 Jun 12
Held by: The National Archives, Kew
Former reference in its original department: ZIP/SAC REPORTS
Legal status: Public Record(s)
Closure status: Open Document, Open Description
Access conditions: Retained Until 2004
Record opening date: 28 September 2004

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