1981

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OST 26-02-1370-81
OST 26-02-1370-81
Adapter flange apparatus, butt joint welded under flat gasket. Design and dimensions.
OST 26-02-1371-81
OST 26-02-1371-81
Adapter flange apparatus, butt joint welded under octagonal cross section.Design and dimensions.
OST 26-02-ED1-1282-81
OST 26-02-ED1-1282-81
Bladed bits. Specifications. Export amendment
OST 26-03-1314-81
OST 26-03-1314-81
Refrigeration equipment. Protective and decorative coatings. Designation. properties. Range of application.
OST 26-03-1451-81
OST 26-03-1451-81
Fittings for refrigerators and refrigeration units. Selection guidelines.
OST 26-03-1490-81
OST 26-03-1490-81
Refrigeration equipment. Dependability. Collection, processing and transmission of information.
OST 26-03-2017-81
OST 26-03-2017-81
Air turbo-refrigerating machines. General specifications.
OST 26-03-2019-81
OST 26-03-2019-81
Refrigeration equipment. Capacitors. Evaporators. Coolers. Scope and methods of prototypes.
OST 26-03-2020-81
OST 26-03-2020-81
Cooling aggregates and machines with turbochargers. General specification
OST 26-03-553-81
OST 26-03-553-81
Choke-nipple connections. Types, dimensions and technical requirements
OST 26-03-638-81
OST 26-03-638-81
Refrigerating equipment. Test for seal integrity. Emptying and preserving. Technical requirements
OST 26-03-707-81
OST 26-03-707-81
Pipe bending radius and angles.
OST 26-03-943-81
OST 26-03-943-81
Piston compressors with cooling capacity from 3.5 kW to 40 kW. Types and main parameters.
OST 26-04-1248-81
OST 26-04-1248-81
Vessels. Tanks and helium cryostats. General technical requirements
OST 26-04-2136-81
OST 26-04-2136-81
Turbo-expander units with reduction gear. General specification
OST 26-04-2138-81
OST 26-04-2138-81
Temporary corrosion protection for products. General technical requirements.
OST 26-04-2146-81
OST 26-04-2146-81
Quality indicator system. Carbon dioxide equipment. Quality indicators.
OST 26-04-2587-81
OST 26-04-2587-81
Electric heaters for gases. Types and main parameters. General technical requirements
OST 26-04-2588-81
OST 26-04-2588-81
Gases. Mass-spectrometric method for the determination of impurities
OST 26-04-2589-81
OST 26-04-2589-81
Air separation plants. Distillation Columns. Technical requirements

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