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Catalogue description The use of absorbing smokes for the attenuation of infra-red radiation
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| Reference: | WO 189/1514 |
|---|---|
| Description: |
The use of absorbing smokes for the attenuation of infra-red radiation |
| Date: | 1972 Jan 01 - 1972 Dec 31 |
| Held by: | The National Archives, Kew |
| Former reference in its original department: | CDE TP 97 |
| Legal status: | Public Record(s) |
| Closure status: | Open Document, Open Description |
| Access conditions: | Open on Transfer |
| Record opening date: | 09 May 2005 |
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