File:Дубинин Физико-химические основы противогазного дела 1939г.djvu

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Русский: Файл получен сканированием документа (который стал общественным достоянием) в РГБ, и он будет использоваться для иллюстрирования статей о респираторах
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Author AlexChirkin


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current07:18, 23 November 2012Thumbnail for version as of 07:18, 23 November 20121,790 × 2,794, 291 pages (27.98 MB)AlexChirkin (talk | contribs)User created page with UploadWizard
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