1972

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OST 26-06-509-72
OST 26-06-509-72
Bolts for fundaments. Dimensions and technical requirements
OST 26-06-667-72
OST 26-06-667-72
Fitting -ball pipe joint. Types and basic parameters. General technical specifications.
OST 26-06-668-72
OST 26-06-668-72
Flare pipe joint. Types and basic parameters. General technical specifications.
OST 26-06-715-72
OST 26-06-715-72
Radial bearings of rubber for water-filled and submersible pumps and water lifting electric motors. General specification
OST 26-06-931-72
OST 26-06-931-72
Bearings of rubber for water-filled and submersible pumps and water lifting electric motors. General specification
OST 26-07-422-72
OST 26-07-422-72
Joint couplings for pipeline valves. Types and main parameters.
OST 26-07-424-72
OST 26-07-424-72
Reduction gears for managing pipeline fittings with hinged gate. Main parameters.
OST 26-07-489-72
OST 26-07-489-72
Gasket materials for pipeline valves of general purpose
OST 26-07-516-72
OST 26-07-516-72
Chemical nickel plating of pipe fitting parts.
OST 26-07-554-72
OST 26-07-554-72
Plug and ball valves. General specification
OST 26-07-596-72
OST 26-07-596-72
Electric drives for pipeline fittings. Export including tropical climate countries. General requirements.
OST 26-07-617-72
OST 26-07-617-72
Cast pipeline valves. Wall thickness
OST 26-07-634-72
OST 26-07-634-72
Multilayer Bellows. Method of testing the TIG welds for intergranular corrosion
OST 26-07-732-72
OST 26-07-732-72
Forward motion hydraulic drives (pneumatic drives) to control pipeline valves. Types and basic parameters of hydraulic cylinders (pneumatic drives).
OST 26-07-733-72
OST 26-07-733-72
Anticorrosion nitriding of parts of pipeline valves made of carbon steel
OST 26-08-414-72
OST 26-08-414-72
Cellulose and paper mill equipment. General technical requirements
OST 26-08-415-72
OST 26-08-415-72
Cellulose and paper mill equipment. General specification. Export supplies
OST 26-08-416-72
OST 26-08-416-72
Light stoppers. Design and dimensions
OST 26-08-451-72
OST 26-08-451-72
Knot catchers. The main parameters
OST 26-08-494-72
OST 26-08-494-72
Lifting and lowering devices. Design and dimensions. Technical requirements

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