Russian standards PDF
Tent wooden members and assembly units. General specifications
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Still camera shutters. Terms, definitions and letter symbols
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Tantalum and its oxides. Spectral method for determination of aluminum, vanadium, ferrum, calcium, silicon, magnesium, manganese, copper, nickel, niobium, tin, titanium, chromium and zirconium
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Gas sampling and storage glass apparatus and tubes (pipettes). Specifications
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