Куйбышевский политехнический институт им. В.В.Куйбышева
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Refuge Islands, Traffic Blockers, Or Guard Fence
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Manufacture Of Switches
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Description
(54) ЖИДКОМЕТАЛЛИЧЕСКИЙ ЙЛСЛОЧАТЕЛЬ(54) LIQUID METAL DEFICIENT
Claims (2)
1.Патент ША 2288089, кл.335-49. 1942.1. Patent ShA 2288089, kl.335-49. 1942.2.Авторское свидетельство СССР 527757, кл. Н 01 Н 29/28, 1974.2. Authors certificate of the USSR 527757, cl. H 01 H 29/28, 1974.