1991

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OST 21-67-12-91
OST 21-67-12-91
Glass of soda lime silicate for construction, maintenance, lighting, containers and special household use. Method for determination of phosphorus oxide (V)
OST 21-67-1-91
OST 21-67-1-91
Glass of soda lime silicate for construction, maintenance, lighting, containers and special household use. Methods for determination of silicon dioxide
OST 21-67-2-91
OST 21-67-2-91
Glass of soda lime silicate for construction, maintenance, lighting, containers and special household use. Methods for determination of sulphur dioxide
OST 21-67-3-91
OST 21-67-3-91
Glass of soda lime silicate for construction, maintenance, lighting, containers and special household use. Methods for determination of iron oxide (III)
OST 21-67-4-91
OST 21-67-4-91
Glass of soda lime silicate for construction, maintenance, lighting, containers and special household use. Method for determination of aluminium oxide
OST 21-67-5-91
OST 21-67-5-91
Glass of soda lime silicate for construction, maintenance, lighting, containers and special household use. Method for determination of calcium oxide
OST 21-67-6-91
OST 21-67-6-91
Glass of soda lime silicate for construction, maintenance, lighting, containers and special household use. Methods for determination of magnesium oxide
OST 21-67-7-91
OST 21-67-7-91
Glass of soda lime silicate for construction, maintenance, lighting, containers and special household use. Methods for determination of mass fraction of alkali metal oxides
OST 21-67-8-91
OST 21-67-8-91
Glass of soda lime silicate for construction, maintenance, lighting, containers and special household use. Methods for determination of iron oxide (II)
OST 21-67-9-91
OST 21-67-9-91
Glass of soda lime silicate for construction, maintenance, lighting, containers and special household use. Method for determination of barium oxide
OST 21-68-2-1-91
OST 21-68-2-1-91
Household thermos and the vessels of glass for these. General specification
OST 23.2.416-91
OST 23.2.416-91
Housings of bearings with three and four bores for mounting on the cover of agricultural machines. Design and main dimensions.
OST 23.2.417-91
OST 23.2.417-91
Housings of bearings with two bores for mounting on the cover of agricultural machines. Design and main dimensions.
OST 23.2.418-91
OST 23.2.418-91
Housings of bearings, flanged, with bore diameter of up to 100mm for agricultural machinery.
OST 23.2.419-91
OST 23.2.419-91
Housings of bearings, flanged, with bore diameter over 100 mm for agricultural machinery. Design and main dimensions.
OST 23.2.420-91
OST 23.2.420-91
Through caps for bearings with three or four mounting holes for agricultural machinery. Design and main dimensions.
OST 23.2.421-91
OST 23.2.421-91
Through caps for bearings with two mounting holes for agricultural machinery Design and main dimensions.
OST 23.2.422-91
OST 23.2.422-91
End caps for bearings with three or four mounting holes for agricultural machinery. Design and main dimensions.
OST 23.2.423-91
OST 23.2.423-91
End caps bearing caps for bearings with two mounting holes for agricultural machinery Design and main dimensions.
OST 23.2.424-91
OST 23.2.424-91
Spacer rings and protective washers for bearing units of agricultural machinery. General Specifications.

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