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Zandbergen, H.W. (author), Latenstein van Voorst, A. (author), Westra, C. (author), Hoveling, G.H. (author)A specimen holder for an electron microscope, comprising a bar-shaped body provided adjacent one end with means for receiving a specimen, with means being present for screening the specimen from the environment at least temporarily in airtight and moisture-proof manner in a first position, which screening means comprise at least one elastic seal...patent 1996